23085511583 has 4 divisors (see below), whose sum is σ = 23086592400. Its totient is φ = 23084430768.

The previous prime is 23085511577. The next prime is 23085511601. The reversal of 23085511583 is 38511558032.

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

It is a cyclic number.

It is not a de Polignac number, because 23085511583 - 2²⁸ = 22817076127 is a prime.

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 23085511583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23085511513) 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, 507710 + ... + 551307.

It is an arithmetic number, because the mean of its divisors is an integer number (5771648100).

Almost surely, 2^23085511583 is an apocalyptic number.

23085511583 is a deficient number, since it is larger than the sum of its proper divisors (1080817).

23085511583 is a wasteful number, since it uses less digits than its factorization.

23085511583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080816.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 23085511583 in words is "twenty-three billion, eighty-five million, five hundred eleven thousand, five hundred eighty-three".