23490992 has 90 divisors (see below), whose sum is σ = 56551068. Its totient is φ = 9422784.

The previous prime is 23490959. The next prime is 23490997. The reversal of 23490992 is 29909432.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (23490997) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 282983 + ... + 283065.

Almost surely, 2^23490992 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 23490992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28275534).

23490992 is an abundant number, since it is smaller than the sum of its proper divisors (33060076).

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

23490992 is a wasteful number, since it uses less digits than its factorization.

23490992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 23490992 is about 4846.7506641048. The cubic root of 23490992 is about 286.3961127402.

The spelling of 23490992 in words is "twenty-three million, four hundred ninety thousand, nine hundred ninety-two".