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23423712 = 253131372
BaseRepresentation
bin101100101011…
…0101011100000
31122002001021220
41121112223200
521444024322
62154015040
7403045464
oct131265340
948061256
1023423712
1112249644
127a17480
134b118b0
14317a4a4
1520ca55c
hex1656ae0

23423712 has 72 divisors (see below), whose sum is σ = 66703896. Its totient is φ = 7154688.

The previous prime is 23423711. The next prime is 23423747. The reversal of 23423712 is 21732432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170908 + ... + 171044.

It is an arithmetic number, because the mean of its divisors is an integer number (926443).

Almost surely, 223423712 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 23423712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33351948).

23423712 is an abundant number, since it is smaller than the sum of its proper divisors (43280184).

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

23423712 is a wasteful number, since it uses less digits than its factorization.

23423712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 155 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 23423712 is about 4839.8049547477. The cubic root of 23423712 is about 286.1224311591.

The spelling of 23423712 in words is "twenty-three million, four hundred twenty-three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 137 156 208 274 312 411 416 548 624 822 1096 1248 1644 1781 2192 3288 3562 4384 5343 6576 7124 10686 13152 14248 18769 21372 28496 37538 42744 56307 56992 75076 85488 112614 150152 170976 225228 243997 300304 450456 487994 600608 731991 900912 975988 1463982 1801824 1951976 2927964 3903952 5855928 7807904 11711856 23423712