123977000026 has 24 divisors (see below), whose sum is σ = 205256623572. Its totient is φ = 56119324800.

The previous prime is 123976999943. The next prime is 123977000051. The reversal of 123977000026 is 620000779321.

It can be written as a sum of positive squares in 2 ways, for example, as 123973705801 + 3294225 = 352099^2 + 1815^2 .

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, 1004545 + ... + 1121188.

Almost surely, 2^123977000026 is an apocalyptic number.

123977000026 is a deficient number, since it is larger than the sum of its proper divisors (81279623546).

123977000026 is a wasteful number, since it uses less digits than its factorization.

123977000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125998 (or 2125987 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

Adding to 123977000026 its reverse (620000779321), we get a palindrome (743977779347).

The spelling of 123977000026 in words is "one hundred twenty-three billion, nine hundred seventy-seven million, twenty-six", and thus it is an aban number.