23135612 has 6 divisors (see below), whose sum is σ = 40487328. Its totient is φ = 11567804.

The previous prime is 23135599. The next prime is 23135617. The reversal of 23135612 is 21653132.

It is a super-2 number, since 2×23135612² = 1070513085229088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2891948 + ... + 2891955.

It is an arithmetic number, because the mean of its divisors is an integer number (6747888).

Almost surely, 2^23135612 is an apocalyptic number.

It is an amenable number.

23135612 is a deficient number, since it is larger than the sum of its proper divisors (17351716).

23135612 is a wasteful number, since it uses less digits than its factorization.

23135612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783907 (or 5783905 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 23135612 is about 4809.9492720818. The cubic root of 23135612 is about 284.9445341943.

Adding to 23135612 its reverse (21653132), we get a palindrome (44788744).

The spelling of 23135612 in words is "twenty-three million, one hundred thirty-five thousand, six hundred twelve".