23179400254 has 4 divisors (see below), whose sum is σ = 34769100384. Its totient is φ = 11589700126.

The previous prime is 23179400243. The next prime is 23179400267. The reversal of 23179400254 is 45200497132.

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

It is a super-2 number, since 2×23179400254² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5794850062 + ... + 5794850065.

It is an arithmetic number, because the mean of its divisors is an integer number (8692275096).

Almost surely, 2^23179400254 is an apocalyptic number.

23179400254 is a deficient number, since it is larger than the sum of its proper divisors (11589700130).

23179400254 is a wasteful number, since it uses less digits than its factorization.

23179400254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11589700129.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 23179400254 its reverse (45200497132), we get a palindrome (68379897386).

The spelling of 23179400254 in words is "twenty-three billion, one hundred seventy-nine million, four hundred thousand, two hundred fifty-four".