23171973434 has 8 divisors (see below), whose sum is σ = 35879184768. Its totient is φ = 11212245180.

The previous prime is 23171973421. The next prime is 23171973479. The reversal of 23171973434 is 43437917132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186870692 + ... + 186870815.

It is an arithmetic number, because the mean of its divisors is an integer number (4484898096).

Almost surely, 2^23171973434 is an apocalyptic number.

23171973434 is a deficient number, since it is larger than the sum of its proper divisors (12707211334).

23171973434 is a wasteful number, since it uses less digits than its factorization.

23171973434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373741540.

The product of its digits is 381024, while the sum is 44.

The spelling of 23171973434 in words is "twenty-three billion, one hundred seventy-one million, nine hundred seventy-three thousand, four hundred thirty-four".