64268523 has 24 divisors (see below), whose sum is σ = 102997440. Its totient is φ = 38286960.

The previous prime is 64268497. The next prime is 64268527. The reversal of 64268523 is 32586246.

64268523 is a `hidden beast` number, since 642 + 6 + 8 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 64268523 - 2⁶ = 64268459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64268527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (4291560).

Almost surely, 2^64268523 is an apocalyptic number.

64268523 is a deficient number, since it is larger than the sum of its proper divisors (38728917).

64268523 is a wasteful number, since it uses less digits than its factorization.

64268523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079 (or 11076 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 64268523 is about 8016.7651206706. The cubic root of 64268523 is about 400.5586423503.

The spelling of 64268523 in words is "sixty-four million, two hundred sixty-eight thousand, five hundred twenty-three".