23135312 has 20 divisors (see below), whose sum is σ = 47184480. Its totient is φ = 10958688.

The previous prime is 23135303. The next prime is 23135339. The reversal of 23135312 is 21353132.

It is a super-2 number, since 2×23135312² = 1070485322674688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37748 + ... + 38355.

It is an arithmetic number, because the mean of its divisors is an integer number (2359224).

Almost surely, 2^23135312 is an apocalyptic number.

It is an amenable number.

23135312 is an abundant number, since it is smaller than the sum of its proper divisors (24049168).

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

23135312 is a wasteful number, since it uses less digits than its factorization.

23135312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76130 (or 76124 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 23135312 is about 4809.9180866206. The cubic root of 23135312 is about 284.9433025616.

Adding to 23135312 its reverse (21353132), we get a palindrome (44488444).

The spelling of 23135312 in words is "twenty-three million, one hundred thirty-five thousand, three hundred twelve".