23135156 has 24 divisors (see below), whose sum is σ = 45692640. Its totient is φ = 10152800.

The previous prime is 23135153. The next prime is 23135191. The reversal of 23135156 is 65153132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7790 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (1903860).

Almost surely, 2^23135156 is an apocalyptic number.

It is an amenable number.

23135156 is a deficient number, since it is larger than the sum of its proper divisors (22557484).

23135156 is a wasteful number, since it uses less digits than its factorization.

23135156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18175 (or 18173 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 23135156 is about 4809.9018701009. The cubic root of 23135156 is about 284.9426621084.

Adding to 23135156 its reverse (65153132), we get a palindrome (88288288).

The spelling of 23135156 in words is "twenty-three million, one hundred thirty-five thousand, one hundred fifty-six".