23122202551 has 8 divisors (see below), whose sum is σ = 27816183680. Its totient is φ = 18775923768.

The previous prime is 23122202527. The next prime is 23122202603. The reversal of 23122202551 is 15520222132.

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

It is not a de Polignac number, because 23122202551 - 2³¹ = 20974718903 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 (23122202501) 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 7 ways as a sum of consecutive naturals, for example, 86925441 + ... + 86925706.

It is an arithmetic number, because the mean of its divisors is an integer number (3477022960).

Almost surely, 2^23122202551 is an apocalyptic number.

23122202551 is a deficient number, since it is larger than the sum of its proper divisors (4693981129).

23122202551 is a wasteful number, since it uses less digits than its factorization.

23122202551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173851173.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 23122202551 its reverse (15520222132), we get a palindrome (38642424683).

The spelling of 23122202551 in words is "twenty-three billion, one hundred twenty-two million, two hundred two thousand, five hundred fifty-one".