23151264 has 48 divisors (see below), whose sum is σ = 61034400. Its totient is φ = 7683840.

The previous prime is 23151257. The next prime is 23151277. The reversal of 23151264 is 46215132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33159 + ... + 33849.

It is an arithmetic number, because the mean of its divisors is an integer number (1271550).

Almost surely, 2^23151264 is an apocalyptic number.

23151264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23151264 is an abundant number, since it is smaller than the sum of its proper divisors (37883136).

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

23151264 is a wasteful number, since it uses less digits than its factorization.

23151264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1045 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 23151264 is about 4811.5760411740. The cubic root of 23151264 is about 285.0087778152.

Adding to 23151264 its reverse (46215132), we get a palindrome (69366396).

The spelling of 23151264 in words is "twenty-three million, one hundred fifty-one thousand, two hundred sixty-four".