123677754650 has 24 divisors (see below), whose sum is σ = 230444965980. Its totient is φ = 49384146560.

The previous prime is 123677754637. The next prime is 123677754667. The reversal of 123677754650 is 56457776321.

It can be written as a sum of positive squares in 6 ways, for example, as 25328404201 + 98349350449 = 159149^2 + 313607^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123677754592 and 123677754601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2145149 + ... + 2202048.

Almost surely, 2^123677754650 is an apocalyptic number.

123677754650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123677754650 is a deficient number, since it is larger than the sum of its proper divisors (106767211330).

123677754650 is a wasteful number, since it uses less digits than its factorization.

123677754650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347778 (or 4347773 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 123677754650 in words is "one hundred twenty-three billion, six hundred seventy-seven million, seven hundred fifty-four thousand, six hundred fifty".