23142321277 has 4 divisors (see below), whose sum is σ = 23468269536. Its totient is φ = 22816373020.

The previous prime is 23142321259. The next prime is 23142321313. The reversal of 23142321277 is 77212324132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23142321277 - 2¹¹ = 23142319229 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 (23142321977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162974023 + ... + 162974164.

It is an arithmetic number, because the mean of its divisors is an integer number (5867067384).

Almost surely, 2^23142321277 is an apocalyptic number.

It is an amenable number.

23142321277 is a deficient number, since it is larger than the sum of its proper divisors (325948259).

23142321277 is an equidigital number, since it uses as much as digits as its factorization.

23142321277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325948258.

The product of its digits is 28224, while the sum is 34.

The spelling of 23142321277 in words is "twenty-three billion, one hundred forty-two million, three hundred twenty-one thousand, two hundred seventy-seven".