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23423688 = 2333176379
BaseRepresentation
bin101100101011…
…0101011001000
31122002001021000
41121112223020
521444024223
62154015000
7403045431
oct131265310
948061230
1023423688
1112249622
127a17460
134b11892
14317a488
1520ca543
hex1656ac8

23423688 has 64 divisors (see below), whose sum is σ = 68904000. Its totient is φ = 7347456.

The previous prime is 23423663. The next prime is 23423689. The reversal of 23423688 is 88632432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23423689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (1076625).

Almost surely, 223423688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23423688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34452000).

23423688 is an abundant number, since it is smaller than the sum of its proper divisors (45480312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23423688 is a wasteful number, since it uses less digits than its factorization.

23423688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411 (or 6401 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 23423688 is about 4839.8024753083. The cubic root of 23423688 is about 286.1223334385.

The spelling of 23423688 in words is "twenty-three million, four hundred twenty-three thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 27 34 36 51 54 68 72 102 108 136 153 204 216 306 408 459 612 918 1224 1836 3672 6379 12758 19137 25516 38274 51032 57411 76548 108443 114822 153096 172233 216886 229644 325329 344466 433772 459288 650658 688932 867544 975987 1301316 1377864 1951974 2602632 2927961 3903948 5855922 7807896 11711844 23423688