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1232023100 = 225271143612
BaseRepresentation
bin100100101101111…
…0010111000111100
310011212021020222012
41021123302320330
510010344214400
6322130310352
742350011040
oct11133627074
93155236865
101232023100
11582499210
122a47283b8
13168327269
14b98a8020
1573263d35
hex496f2e3c

1232023100 has 216 divisors, whose sum is σ = 3467528064. Its totient is φ = 368928000.

The previous prime is 1232023097. The next prime is 1232023123. The reversal of 1232023100 is 13202321.

It is a happy number.

It is a super-2 number, since 2×12320231002 = 3035761837867220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20197070 + ... + 20197130.

Almost surely, 21232023100 is an apocalyptic number.

1232023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733764032).

1232023100 is an abundant number, since it is smaller than the sum of its proper divisors (2235504964).

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

1232023100 is a wasteful number, since it uses less digits than its factorization.

1232023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1232023100 is about 35100.1866091906. The cubic root of 1232023100 is about 1072.0283822867.

Adding to 1232023100 its reverse (13202321), we get a palindrome (1245225421).

The spelling of 1232023100 in words is "one billion, two hundred thirty-two million, twenty-three thousand, one hundred".