23531451264 has 96 divisors (see below), whose sum is σ = 70222228440. Its totient is φ = 7843806720.

The previous prime is 23531451239. The next prime is 23531451277. The reversal of 23531451264 is 46215413532.

23531451264 is a `hidden beast` number, since 2 + 35 + 314 + 51 + 264 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347167 + ... + 409374.

Almost surely, 2^23531451264 is an apocalyptic number.

23531451264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23531451264 is an abundant number, since it is smaller than the sum of its proper divisors (46690777176).

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

23531451264 is an frugal number, since it uses more digits than its factorization.

23531451264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756570 (or 756546 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 23531451264 its reverse (46215413532), we get a palindrome (69746864796).

The spelling of 23531451264 in words is "twenty-three billion, five hundred thirty-one million, four hundred fifty-one thousand, two hundred sixty-four".