23089211 has 2 divisors, whose sum is σ = 23089212. Its totient is φ = 23089210.

The previous prime is 23089207. The next prime is 23089219. The reversal of 23089211 is 11298032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23089211 - 2² = 23089207 is a prime.

It is a super-2 number, since 2×23089211² = 1066223329205042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23089219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11544605 + 11544606.

It is an arithmetic number, because the mean of its divisors is an integer number (11544606).

Almost surely, 2^23089211 is an apocalyptic number.

23089211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23089211 is an equidigital number, since it uses as much as digits as its factorization.

23089211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 23089211 is about 4805.1234115265. The cubic root of 23089211 is about 284.7539108905.

The spelling of 23089211 in words is "twenty-three million, eighty-nine thousand, two hundred eleven".