23045533125523 has 4 divisors (see below), whose sum is σ = 24401152721160. Its totient is φ = 21689913529888.

The previous prime is 23045533125521. The next prime is 23045533125611. The reversal of 23045533125523 is 32552133554032.

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

It is not a de Polignac number, because 23045533125523 - 2¹ = 23045533125521 is a prime.

It is a super-3 number, since 3×23045533125523³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23045533125523.

It is not an unprimeable number, because it can be changed into a prime (23045533125521) 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, 677809797793 + ... + 677809797826.

It is an arithmetic number, because the mean of its divisors is an integer number (6100288180290).

Almost surely, 2^{23045533125523} is an apocalyptic number.

23045533125523 is a deficient number, since it is larger than the sum of its proper divisors (1355619595637).

23045533125523 is a wasteful number, since it uses less digits than its factorization.

23045533125523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355619595636.

The product of its (nonzero) digits is 1620000, while the sum is 43.

Adding to 23045533125523 its reverse (32552133554032), we get a palindrome (55597666679555).

The spelling of 23045533125523 in words is "twenty-three trillion, forty-five billion, five hundred thirty-three million, one hundred twenty-five thousand, five hundred twenty-three".