123214541311664 has 20 divisors (see below), whose sum is σ = 260430735045480. Its totient is φ = 56006609687040.

The previous prime is 123214541311639. The next prime is 123214541311703. The reversal of 123214541311664 is 466113145412321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350041310369 + ... + 350041310720.

It is an arithmetic number, because the mean of its divisors is an integer number (13021536752274).

Almost surely, 2^{123214541311664} is an apocalyptic number.

It is an amenable number.

123214541311664 is an abundant number, since it is smaller than the sum of its proper divisors (137216193733816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123214541311664 is a wasteful number, since it uses less digits than its factorization.

123214541311664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700082621108 (or 700082621102 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

Adding to 123214541311664 its reverse (466113145412321), we get a palindrome (589327686723985).

The spelling of 123214541311664 in words is "one hundred twenty-three trillion, two hundred fourteen billion, five hundred forty-one million, three hundred eleven thousand, six hundred sixty-four".