23153556 has 24 divisors (see below), whose sum is σ = 54767104. Its totient is φ = 7611840.

The previous prime is 23153551. The next prime is 23153567. The reversal of 23153556 is 65535132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153551) 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 in 7 ways as a sum of consecutive naturals, for example, 12340 + ... + 14091.

Almost surely, 2^23153556 is an apocalyptic number.

It is an amenable number.

23153556 is an abundant number, since it is smaller than the sum of its proper divisors (31613548).

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

23153556 is a wasteful number, since it uses less digits than its factorization.

23153556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26511 (or 26509 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 23153556 is about 4811.8142108772. The cubic root of 23153556 is about 285.0181828965.

Adding to 23153556 its reverse (65535132), we get a palindrome (88688688).

The spelling of 23153556 in words is "twenty-three million, one hundred fifty-three thousand, five hundred fifty-six".