123354267620 has 12 divisors (see below), whose sum is σ = 259043962044. Its totient is φ = 49341707040.

The previous prime is 123354267611. The next prime is 123354267629. The reversal of 123354267620 is 26762453321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123354267611) and next prime (123354267629).

It can be written as a sum of positive squares in 2 ways, for example, as 28751271844 + 94602995776 = 169562^2 + 307576^2 .

It is not an unprimeable number, because it can be changed into a prime (123354267629) 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, 3083856671 + ... + 3083856710.

It is an arithmetic number, because the mean of its divisors is an integer number (21586996837).

Almost surely, 2^123354267620 is an apocalyptic number.

123354267620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123354267620 is an abundant number, since it is smaller than the sum of its proper divisors (135689694424).

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

123354267620 is a wasteful number, since it uses less digits than its factorization.

123354267620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167713390 (or 6167713388 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 123354267620 in words is "one hundred twenty-three billion, three hundred fifty-four million, two hundred sixty-seven thousand, six hundred twenty".