23500583401 has 9 divisors (see below), whose sum is σ = 24094192503. Its totient is φ = 22921266480.

The previous prime is 23500583399. The next prime is 23500583413. The reversal of 23500583401 is 10438500532.

The square root of 23500583401 is 153299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1132389801 + 22368193600 = 33651^2 + 149560^2 .

It is not a de Polignac number, because 23500583401 - 2¹ = 23500583399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23500583461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6283390 + ... + 6287128.

Almost surely, 2^23500583401 is an apocalyptic number.

23500583401 is the 153299-th square number.

23500583401 is the 76650-th centered octagonal number.

It is an amenable number.

23500583401 is a deficient number, since it is larger than the sum of its proper divisors (593609102).

23500583401 is an frugal number, since it uses more digits than its factorization.

23500583401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Multiplying 23500583401 by its product of nonzero digits (14400), we get a square (338408400974400 = 18395880²).

The spelling of 23500583401 in words is "twenty-three billion, five hundred million, five hundred eighty-three thousand, four hundred one".