23011000 has 32 divisors (see below), whose sum is σ = 53848080. Its totient is φ = 9204000.

The previous prime is 23010997. The next prime is 23011031. The reversal of 23011000 is 11032.

It is a super-2 number, since 2×23011000² = 1059012242000000, which contains 22 as substring.

It is a congruent number.

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, 10506 + ... + 12505.

Almost surely, 2^23011000 is an apocalyptic number.

23011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011000 is an abundant number, since it is smaller than the sum of its proper divisors (30837080).

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

23011000 is a wasteful number, since it uses less digits than its factorization.

23011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23032 (or 23018 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 23011000 is about 4796.9782155019. The cubic root of 23011000 is about 284.4320277693.

Adding to 23011000 its reverse (11032), we get a palindrome (23022032).

The spelling of 23011000 in words is "twenty-three million, eleven thousand".