23321245155 has 32 divisors (see below), whose sum is σ = 40327398720. Its totient is φ = 11440343040.

The previous prime is 23321245139. The next prime is 23321245159. The reversal of 23321245155 is 55154212332.

It is not a de Polignac number, because 23321245155 - 2⁴ = 23321245139 is a prime.

It is a super-2 number, since 2×23321245155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23321245159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158010 + ... + 267599.

It is an arithmetic number, because the mean of its divisors is an integer number (1260231210).

Almost surely, 2^23321245155 is an apocalyptic number.

23321245155 is a deficient number, since it is larger than the sum of its proper divisors (17006153565).

23321245155 is a wasteful number, since it uses less digits than its factorization.

23321245155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425911.

The product of its digits is 36000, while the sum is 33.

Adding to 23321245155 its reverse (55154212332), we get a palindrome (78475457487).

The spelling of 23321245155 in words is "twenty-three billion, three hundred twenty-one million, two hundred forty-five thousand, one hundred fifty-five".