23513044421 has 8 divisors (see below), whose sum is σ = 23670403200. Its totient is φ = 23356177600.

The previous prime is 23513044411. The next prime is 23513044439. The reversal of 23513044421 is 12444031532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23513044421 - 2¹⁴ = 23513028037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23513044411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26831 + ... + 218508.

It is an arithmetic number, because the mean of its divisors is an integer number (2958800400).

Almost surely, 2^23513044421 is an apocalyptic number.

It is an amenable number.

23513044421 is a deficient number, since it is larger than the sum of its proper divisors (157358779).

23513044421 is a wasteful number, since it uses less digits than its factorization.

23513044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245979.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23513044421 its reverse (12444031532), we get a palindrome (35957075953).

The spelling of 23513044421 in words is "twenty-three billion, five hundred thirteen million, forty-four thousand, four hundred twenty-one".