244555998923 has 4 divisors (see below), whose sum is σ = 244724543448. Its totient is φ = 244387454400.

The previous prime is 244555998917. The next prime is 244555998931. The reversal of 244555998923 is 329899555442.

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 244555998923 - 2²⁰ = 244554950347 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 244555998923.

It is not an unprimeable number, because it can be changed into a prime (244555998913) 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, 84270086 + ... + 84272987.

It is an arithmetic number, because the mean of its divisors is an integer number (61181135862).

Almost surely, 2^244555998923 is an apocalyptic number.

244555998923 is a deficient number, since it is larger than the sum of its proper divisors (168544525).

244555998923 is a wasteful number, since it uses less digits than its factorization.

244555998923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168544524.

The product of its digits is 139968000, while the sum is 65.

The spelling of 244555998923 in words is "two hundred forty-four billion, five hundred fifty-five million, nine hundred ninety-eight thousand, nine hundred twenty-three".