23637313453 has 6 divisors (see below), whose sum is σ = 25456165322. Its totient is φ = 21818546880.

The previous prime is 23637313391. The next prime is 23637313471. The reversal of 23637313453 is 35431373632.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2663901769 + 20973411684 = 51613^2 + 144822^2 .

It is not a de Polignac number, because 23637313453 - 2¹³ = 23637305261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23637313493) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 533013 + ... + 575653.

Almost surely, 2^23637313453 is an apocalyptic number.

It is an amenable number.

23637313453 is a deficient number, since it is larger than the sum of its proper divisors (1818851869).

23637313453 is an frugal number, since it uses more digits than its factorization.

23637313453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85295 (or 42654 counting only the distinct ones).

The product of its digits is 408240, while the sum is 40.

The spelling of 23637313453 in words is "twenty-three billion, six hundred thirty-seven million, three hundred thirteen thousand, four hundred fifty-three".