23010891 has 16 divisors (see below), whose sum is σ = 32482560. Its totient is φ = 14464800.

The previous prime is 23010863. The next prime is 23010893. The reversal of 23010891 is 19801032.

It is not a de Polignac number, because 23010891 - 2⁵ = 23010859 is a prime.

It is a super-3 number, since 3×23010891³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (23010893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666 + ... + 6816.

It is an arithmetic number, because the mean of its divisors is an integer number (2030160).

Almost surely, 2^23010891 is an apocalyptic number.

23010891 is a deficient number, since it is larger than the sum of its proper divisors (9471669).

23010891 is a wasteful number, since it uses less digits than its factorization.

23010891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 23010891 is about 4796.9668541694. The cubic root of 23010891 is about 284.4315786632.

The spelling of 23010891 in words is "twenty-three million, ten thousand, eight hundred ninety-one".