2123775621524 has 12 divisors (see below), whose sum is σ = 3720531956064. Its totient is φ = 1060766491224.

The previous prime is 2123775621521. The next prime is 2123775621547. The reversal of 2123775621524 is 4251265773212.

It is a super-3 number, since 3×2123775621524³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123775621521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280325624 + ... + 280333199.

It is an arithmetic number, because the mean of its divisors is an integer number (310044329672).

Almost surely, 2^{2123775621524} is an apocalyptic number.

It is an amenable number.

2123775621524 is a deficient number, since it is larger than the sum of its proper divisors (1596756334540).

2123775621524 is a wasteful number, since it uses less digits than its factorization.

2123775621524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560659774 (or 560659772 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 47.

The spelling of 2123775621524 in words is "two trillion, one hundred twenty-three billion, seven hundred seventy-five million, six hundred twenty-one thousand, five hundred twenty-four".