23513663355 has 96 divisors (see below), whose sum is σ = 47592889344. Its totient is φ = 9653313024.

The previous prime is 23513663291. The next prime is 23513663359. The reversal of 23513663355 is 55336631532.

It is a happy number.

It is not a de Polignac number, because 23513663355 - 2⁶ = 23513663291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23513663359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1862394 + ... + 1874976.

It is an arithmetic number, because the mean of its divisors is an integer number (495759264).

Almost surely, 2^23513663355 is an apocalyptic number.

23513663355 is an abundant number, since it is smaller than the sum of its proper divisors (24079225989).

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

23513663355 is a wasteful number, since it uses less digits than its factorization.

23513663355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685 (or 12648 counting only the distinct ones).

The product of its digits is 729000, while the sum is 42.

The spelling of 23513663355 in words is "twenty-three billion, five hundred thirteen million, six hundred sixty-three thousand, three hundred fifty-five".