23173473157 has 8 divisors (see below), whose sum is σ = 23288208480. Its totient is φ = 23058784560.

The previous prime is 23173473083. The next prime is 23173473181. The reversal of 23173473157 is 75137437132.

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

It is a cyclic number.

It is not a de Polignac number, because 23173473157 - 2²³ = 23165084549 is a prime.

It is a super-3 number, since 3×23173473157³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173470157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396803 + ... + 1413295.

It is an arithmetic number, because the mean of its divisors is an integer number (2911026060).

Almost surely, 2^23173473157 is an apocalyptic number.

It is an amenable number.

23173473157 is a deficient number, since it is larger than the sum of its proper divisors (114735323).

23173473157 is a wasteful number, since it uses less digits than its factorization.

23173473157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23363.

The product of its digits is 370440, while the sum is 43.

The spelling of 23173473157 in words is "twenty-three billion, one hundred seventy-three million, four hundred seventy-three thousand, one hundred fifty-seven".