23144045504 has 56 divisors (see below), whose sum is σ = 47984834688. Its totient is φ = 11054672640.

The previous prime is 23144045447. The next prime is 23144045579. The reversal of 23144045504 is 40554044132.

It is a super-2 number, since 2×23144045504² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184099 + ... + 1203485.

It is an arithmetic number, because the mean of its divisors is an integer number (856872048).

Almost surely, 2^23144045504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23144045504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23992417344).

23144045504 is an abundant number, since it is smaller than the sum of its proper divisors (24840789184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23144045504 is a wasteful number, since it uses less digits than its factorization.

23144045504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20233 (or 20223 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 23144045504 its reverse (40554044132), we get a palindrome (63698089636).

The spelling of 23144045504 in words is "twenty-three billion, one hundred forty-four million, forty-five thousand, five hundred four".