23432156 has 48 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 10032000.

The previous prime is 23432153. The next prime is 23432159. The reversal of 23432156 is 65123432.

It is an interprime number because it is at equal distance from previous prime (23432153) and next prime (23432159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432153) 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, 55715 + ... + 56133.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^23432156 is an apocalyptic number.

It is an amenable number.

23432156 is an abundant number, since it is smaller than the sum of its proper divisors (23984164).

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

23432156 is a wasteful number, since it uses less digits than its factorization.

23432156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 504 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 23432156 is about 4840.6772253477. The cubic root of 23432156 is about 286.1568083969.

Adding to 23432156 its reverse (65123432), we get a palindrome (88555588).

The spelling of 23432156 in words is "twenty-three million, four hundred thirty-two thousand, one hundred fifty-six".