23315547155 has 8 divisors (see below), whose sum is σ = 28068621984. Its totient is φ = 18592460800.

The previous prime is 23315547149. The next prime is 23315547179. The reversal of 23315547155 is 55174551332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23315547155 - 2⁴ = 23315547139 is a prime.

It is a super-2 number, since 2×23315547155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 7495406 + ... + 7498515.

It is an arithmetic number, because the mean of its divisors is an integer number (3508577748).

Almost surely, 2^23315547155 is an apocalyptic number.

23315547155 is a deficient number, since it is larger than the sum of its proper divisors (4753074829).

23315547155 is a wasteful number, since it uses less digits than its factorization.

23315547155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14994237.

The product of its digits is 315000, while the sum is 41.

The spelling of 23315547155 in words is "twenty-three billion, three hundred fifteen million, five hundred forty-seven thousand, one hundred fifty-five".