23429056 has 84 divisors (see below), whose sum is σ = 56058816. Its totient is φ = 9676800.

The previous prime is 23429051. The next prime is 23429059. The reversal of 23429056 is 65092432.

It is a super-2 number, since 2×23429056² = 1097841330102272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23429051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97096 + ... + 97336.

Almost surely, 2^23429056 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 23429056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28029408).

23429056 is an abundant number, since it is smaller than the sum of its proper divisors (32629760).

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

23429056 is a wasteful number, since it uses less digits than its factorization.

23429056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 23429056 is about 4840.3570116263. The cubic root of 23429056 is about 286.1441886273.

The spelling of 23429056 in words is "twenty-three million, four hundred twenty-nine thousand, fifty-six".