123347767289616 has 45 divisors (see below), whose sum is σ = 345202805051221. Its totient is φ = 41115878005056.

The previous prime is 123347767289587. The next prime is 123347767289651. The reversal of 123347767289616 is 616982767743321.

The square root of 123347767289616 is 11106204.

It is a perfect power (a square), and thus also a powerful number.

123347767289616 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 477 + 6 + 72 + 89 + 6 + 1 + 6 = 666.

123347767289616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47509864707600 + 75837902582016 = 6892740^2 + 8708496^2 .

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 132811690 + ... + 133737206.

Almost surely, 2^{123347767289616} is an apocalyptic number.

123347767289616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

123347767289616 is the 11106204-th square number.

It is an amenable number.

123347767289616 is an abundant number, since it is smaller than the sum of its proper divisors (221855037761605).

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

123347767289616 is an frugal number, since it uses more digits than its factorization.

123347767289616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851048 (or 925522 counting only the distinct ones).

The product of its digits is 768144384, while the sum is 72.

The spelling of 123347767289616 in words is "one hundred twenty-three trillion, three hundred forty-seven billion, seven hundred sixty-seven million, two hundred eighty-nine thousand, six hundred sixteen".