23154035444 has 12 divisors (see below), whose sum is σ = 41381680704. Its totient is φ = 11330698104.

The previous prime is 23154035441. The next prime is 23154035521. The reversal of 23154035444 is 44453045132.

It is a super-2 number, since 2×23154035444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154035441) 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, 61579694 + ... + 61580069.

It is an arithmetic number, because the mean of its divisors is an integer number (3448473392).

Almost surely, 2^23154035444 is an apocalyptic number.

It is an amenable number.

23154035444 is a deficient number, since it is larger than the sum of its proper divisors (18227645260).

23154035444 is a wasteful number, since it uses less digits than its factorization.

23154035444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123159814 (or 123159812 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 23154035444 in words is "twenty-three billion, one hundred fifty-four million, thirty-five thousand, four hundred forty-four".