23153361 has 32 divisors (see below), whose sum is σ = 38873088. Its totient is φ = 11907840.

The previous prime is 23153359. The next prime is 23153401. The reversal of 23153361 is 16335132.

It is a happy number.

It is not a de Polignac number, because 23153361 - 2¹ = 23153359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23153321) 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 31 ways as a sum of consecutive naturals, for example, 25660 + ... + 26546.

It is an arithmetic number, because the mean of its divisors is an integer number (1214784).

Almost surely, 2^23153361 is an apocalyptic number.

23153361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23153361 is a deficient number, since it is larger than the sum of its proper divisors (15719727).

23153361 is a wasteful number, since it uses less digits than its factorization.

23153361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its digits is 1620, while the sum is 24.

The square root of 23153361 is about 4811.7939482068. The cubic root of 23153361 is about 285.0173827502.

Adding to 23153361 its reverse (16335132), we get a palindrome (39488493).

It can be divided in two parts, 231 and 53361, that multiplied together give a cube (12326391 = 231³).

The spelling of 23153361 in words is "twenty-three million, one hundred fifty-three thousand, three hundred sixty-one".