123764111488965 has 32 divisors (see below), whose sum is σ = 200761343341056. Its totient is φ = 65099690393600.

The previous prime is 123764111488957. The next prime is 123764111489023. The reversal of 123764111488965 is 569884111467321.

It is a happy number.

It is not a de Polignac number, because 123764111488965 - 2³ = 123764111488957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123764111488896 and 123764111488905.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 158545437 + ... + 159324146.

It is an arithmetic number, because the mean of its divisors is an integer number (6273791979408).

Almost surely, 2^{123764111488965} is an apocalyptic number.

123764111488965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123764111488965 is a deficient number, since it is larger than the sum of its proper divisors (76997231852091).

123764111488965 is a wasteful number, since it uses less digits than its factorization.

123764111488965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317869949.

The product of its digits is 69672960, while the sum is 66.

The spelling of 123764111488965 in words is "one hundred twenty-three trillion, seven hundred sixty-four billion, one hundred eleven million, four hundred eighty-eight thousand, nine hundred sixty-five".