123177502340 has 48 divisors (see below), whose sum is σ = 270095212800. Its totient is φ = 47098085760.

The previous prime is 123177502313. The next prime is 123177502367. The reversal of 123177502340 is 43205771321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123177502313) and next prime (123177502367).

It is a self number, because there is not a number n which added to its sum of digits gives 123177502340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626105 + ... + 798975.

It is an arithmetic number, because the mean of its divisors is an integer number (5626983600).

Almost surely, 2^123177502340 is an apocalyptic number.

123177502340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123177502340 is an abundant number, since it is smaller than the sum of its proper divisors (146917710460).

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

123177502340 is a wasteful number, since it uses less digits than its factorization.

123177502340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174452 (or 174450 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 123177502340 in words is "one hundred twenty-three billion, one hundred seventy-seven million, five hundred two thousand, three hundred forty".