23321142312131 has 4 divisors (see below), whose sum is σ = 23336159147112. Its totient is φ = 23306125477152.

The previous prime is 23321142312107. The next prime is 23321142312133. The reversal of 23321142312131 is 13121324112332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23321142312131 - 2¹⁰ = 23321142311107 is a prime.

It is a super-2 number, since 2×23321142312131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23321142312094 and 23321142312103.

It is not an unprimeable number, because it can be changed into a prime (23321142312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7508415161 + ... + 7508418266.

It is an arithmetic number, because the mean of its divisors is an integer number (5834039786778).

Almost surely, 2^{23321142312131} is an apocalyptic number.

23321142312131 is a deficient number, since it is larger than the sum of its proper divisors (15016834981).

23321142312131 is a wasteful number, since it uses less digits than its factorization.

23321142312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016834980.

The product of its digits is 5184, while the sum is 29.

Adding to 23321142312131 its reverse (13121324112332), we get a palindrome (36442466424463).

The spelling of 23321142312131 in words is "twenty-three trillion, three hundred twenty-one billion, one hundred forty-two million, three hundred twelve thousand, one hundred thirty-one".