23129056 has 12 divisors (see below), whose sum is σ = 45535392. Its totient is φ = 11564512.

The previous prime is 23129039. The next prime is 23129059. The reversal of 23129056 is 65092132.

It is a super-2 number, since 2×23129056² = 1069906462902272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23129059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361360 + ... + 361423.

It is an arithmetic number, because the mean of its divisors is an integer number (3794616).

Almost surely, 2^23129056 is an apocalyptic number.

It is an amenable number.

23129056 is a deficient number, since it is larger than the sum of its proper divisors (22406336).

23129056 is an equidigital number, since it uses as much as digits as its factorization.

23129056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722793 (or 722785 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 23129056 is about 4809.2677197262. The cubic root of 23129056 is about 284.9176164877.

The spelling of 23129056 in words is "twenty-three million, one hundred twenty-nine thousand, fifty-six".