23121064 has 16 divisors (see below), whose sum is σ = 43403220. Its totient is φ = 11546880.

The previous prime is 23121053. The next prime is 23121073. The reversal of 23121064 is 46012132.

It can be written as a sum of positive squares in 2 ways, for example, as 15602500 + 7518564 = 3950^2 + 2742^2 .

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, 11494 + ... + 13354.

Almost surely, 2^23121064 is an apocalyptic number.

It is an amenable number.

23121064 is a deficient number, since it is larger than the sum of its proper divisors (20282156).

23121064 is a wasteful number, since it uses less digits than its factorization.

23121064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 23121064 is about 4808.4367522096. The cubic root of 23121064 is about 284.8847959536.

Adding to 23121064 its reverse (46012132), we get a palindrome (69133196).

The spelling of 23121064 in words is "twenty-three million, one hundred twenty-one thousand, sixty-four".