123780504956764 has 6 divisors (see below), whose sum is σ = 216615883674344. Its totient is φ = 61890252478380.

The previous prime is 123780504956659. The next prime is 123780504956791. The reversal of 123780504956764 is 467659405087321.

123780504956764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123780504956764² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123780504956764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15472563119592 + ... + 15472563119599.

It is a 2-persistent number, because it is pandigital, and so is 2⋅123780504956764 = 247561009913528, but 3⋅123780504956764 = 371341514870292 is not.

Almost surely, 2^{123780504956764} is an apocalyptic number.

It is an amenable number.

123780504956764 is a deficient number, since it is larger than the sum of its proper divisors (92835378717580).

123780504956764 is a wasteful number, since it uses less digits than its factorization.

123780504956764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30945126239195 (or 30945126239193 counting only the distinct ones).

The product of its (nonzero) digits is 304819200, while the sum is 67.

The spelling of 123780504956764 in words is "one hundred twenty-three trillion, seven hundred eighty billion, five hundred four million, nine hundred fifty-six thousand, seven hundred sixty-four".