23231712 has 96 divisors (see below), whose sum is σ = 70447104. Its totient is φ = 6566400.

The previous prime is 23231693. The next prime is 23231723. The reversal of 23231712 is 21713232.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121537 + ... + 121727.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 2^23231712 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 23231712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35223552).

23231712 is an abundant number, since it is smaller than the sum of its proper divisors (47215392).

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

23231712 is a wasteful number, since it uses less digits than its factorization.

23231712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 384 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 23231712 is about 4819.9286301770. The cubic root of 23231712 is about 285.3385204946.

Adding to 23231712 its reverse (21713232), we get a palindrome (44944944).

The spelling of 23231712 in words is "twenty-three million, two hundred thirty-one thousand, seven hundred twelve".