123088420508 has 24 divisors (see below), whose sum is σ = 232928281152. Its totient is φ = 56691536384.

The previous prime is 123088420493. The next prime is 123088420517. The reversal of 123088420508 is 805024880321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19253441 + ... + 19259832.

It is an arithmetic number, because the mean of its divisors is an integer number (9705345048).

Almost surely, 2^123088420508 is an apocalyptic number.

It is an amenable number.

123088420508 is a deficient number, since it is larger than the sum of its proper divisors (109839860644).

123088420508 is a wasteful number, since it uses less digits than its factorization.

123088420508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38513341 (or 38513339 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 123088420508 in words is "one hundred twenty-three billion, eighty-eight million, four hundred twenty thousand, five hundred eight".