23136735 has 32 divisors (see below), whose sum is σ = 38937600. Its totient is φ = 11708928.

The previous prime is 23136719. The next prime is 23136739. The reversal of 23136735 is 53763132.

It is not a de Polignac number, because 23136735 - 2⁴ = 23136719 is a prime.

Its product of digits (11340) is a multiple of the sum of its prime divisors (567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68487 + ... + 68823.

It is an arithmetic number, because the mean of its divisors is an integer number (1216800).

Almost surely, 2^23136735 is an apocalyptic number.

23136735 is a deficient number, since it is larger than the sum of its proper divisors (15800865).

23136735 is a wasteful number, since it uses less digits than its factorization.

23136735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its digits is 11340, while the sum is 30.

The square root of 23136735 is about 4810.0660078631. The cubic root of 23136735 is about 284.9491445116.

Adding to 23136735 its reverse (53763132), we get a palindrome (76899867).

It can be divided in two parts, 23136 and 735, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 23136735 in words is "twenty-three million, one hundred thirty-six thousand, seven hundred thirty-five".