23144012 has 24 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 11327120.

The previous prime is 23143999. The next prime is 23144027. The reversal of 23144012 is 21044132.

It is a super-2 number, since 2×23144012² = 1071290582912288, which contains 22 as substring.

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, 64289 + ... + 64647.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^23144012 is an apocalyptic number.

It is an amenable number.

23144012 is a deficient number, since it is larger than the sum of its proper divisors (18224308).

23144012 is a wasteful number, since it uses less digits than its factorization.

23144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23144012 is about 4810.8223829196. The cubic root of 23144012 is about 284.9790155884.

Adding to 23144012 its reverse (21044132), we get a palindrome (44188144).

The spelling of 23144012 in words is "twenty-three million, one hundred forty-four thousand, twelve".