23132290 has 16 divisors (see below), whose sum is σ = 41727168. Its totient is φ = 9233136.

The previous prime is 23132287. The next prime is 23132303. The reversal of 23132290 is 9223132.

23132290 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (2607948).

Almost surely, 2^23132290 is an apocalyptic number.

23132290 is a deficient number, since it is larger than the sum of its proper divisors (18594878).

23132290 is a wasteful number, since it uses less digits than its factorization.

23132290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23132290 is about 4809.6039337975. The cubic root of 23132290 is about 284.9308953209.

The spelling of 23132290 in words is "twenty-three million, one hundred thirty-two thousand, two hundred ninety".