23929312 has 48 divisors (see below), whose sum is σ = 51840432. Its totient is φ = 10782720.

The previous prime is 23929291. The next prime is 23929313. The reversal of 23929312 is 21392932.

It is a happy number.

It is a super-2 number, since 2×23929312² = 1145223945586688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23929313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55048 + ... + 55480.

It is an arithmetic number, because the mean of its divisors is an integer number (1080009).

Almost surely, 2^23929312 is an apocalyptic number.

23929312 is a gapful number since it is divisible by the number (22) 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 23929312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25920216).

23929312 is an abundant number, since it is smaller than the sum of its proper divisors (27911120).

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

23929312 is a wasteful number, since it uses less digits than its factorization.

23929312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 603 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 23929312 is about 4891.7596016158. The cubic root of 23929312 is about 288.1664418567.

The spelling of 23929312 in words is "twenty-three million, nine hundred twenty-nine thousand, three hundred twelve".