23290776 has 48 divisors (see below), whose sum is σ = 64125360. Its totient is φ = 7634880.

The previous prime is 23290739. The next prime is 23290783. The reversal of 23290776 is 67709232.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23290776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1741 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (1335945).

Almost surely, 2^23290776 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 23290776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32062680).

23290776 is an abundant number, since it is smaller than the sum of its proper divisors (40834584).

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

23290776 is a wasteful number, since it uses less digits than its factorization.

23290776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 23290776 is about 4826.0518024572. The cubic root of 23290776 is about 285.5801294934.

The spelling of 23290776 in words is "twenty-three million, two hundred ninety thousand, seven hundred seventy-six".