23215553355 has 16 divisors (see below), whose sum is σ = 38759880960. Its totient is φ = 11843296608.

The previous prime is 23215553329. The next prime is 23215553357. The reversal of 23215553355 is 55335551232.

It is not a de Polignac number, because 23215553355 - 2⁵ = 23215553323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23215553357) 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 15 ways as a sum of consecutive naturals, for example, 33645385 + ... + 33646074.

It is an arithmetic number, because the mean of its divisors is an integer number (2422492560).

Almost surely, 2^23215553355 is an apocalyptic number.

23215553355 is a deficient number, since it is larger than the sum of its proper divisors (15544327605).

23215553355 is a wasteful number, since it uses less digits than its factorization.

23215553355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67291490.

The product of its digits is 337500, while the sum is 39.

The spelling of 23215553355 in words is "twenty-three billion, two hundred fifteen million, five hundred fifty-three thousand, three hundred fifty-five".