23022940 has 12 divisors (see below), whose sum is σ = 48348216. Its totient is φ = 9209168.

The previous prime is 23022929. The next prime is 23022953. The reversal of 23022940 is 4922032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575554 + ... + 575593.

It is an arithmetic number, because the mean of its divisors is an integer number (4029018).

Almost surely, 2^23022940 is an apocalyptic number.

23022940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23022940 is an abundant number, since it is smaller than the sum of its proper divisors (25325276).

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

23022940 is a wasteful number, since it uses less digits than its factorization.

23022940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151156 (or 1151154 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23022940 is about 4798.2225875839. Note that the first 3 decimals coincide. The cubic root of 23022940 is about 284.4812148419.

Adding to 23022940 its reverse (4922032), we get a palindrome (27944972).

The spelling of 23022940 in words is "twenty-three million, twenty-two thousand, nine hundred forty".