44202131242123 has 4 divisors (see below), whose sum is σ = 45280232004168. Its totient is φ = 43124030480080.

The previous prime is 44202131242099. The next prime is 44202131242133. The reversal of 44202131242123 is 32124213120244.

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 44202131242123 - 2²⁹ = 44201594371211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44202131242133) 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, 539050380961 + ... + 539050381042.

It is an arithmetic number, because the mean of its divisors is an integer number (11320058001042).

Almost surely, 2^{44202131242123} is an apocalyptic number.

44202131242123 is a deficient number, since it is larger than the sum of its proper divisors (1078100762045).

44202131242123 is a wasteful number, since it uses less digits than its factorization.

44202131242123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078100762044.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 44202131242123 its reverse (32124213120244), we get a palindrome (76326344362367).

The spelling of 44202131242123 in words is "forty-four trillion, two hundred two billion, one hundred thirty-one million, two hundred forty-two thousand, one hundred twenty-three".