23058990 has 24 divisors (see below), whose sum is σ = 59953608. Its totient is φ = 6149040.

The previous prime is 23058983. The next prime is 23058991. The reversal of 23058990 is 9985032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23058991) 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, 128016 + ... + 128195.

It is an arithmetic number, because the mean of its divisors is an integer number (2498067).

Almost surely, 2^23058990 is an apocalyptic number.

23058990 is an abundant number, since it is smaller than the sum of its proper divisors (36894618).

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

23058990 is a wasteful number, since it uses less digits than its factorization.

23058990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256224 (or 256221 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 23058990 is about 4801.9777175660. The cubic root of 23058990 is about 284.6296204413.

The spelling of 23058990 in words is "twenty-three million, fifty-eight thousand, nine hundred ninety".