123238099502 has 64 divisors (see below), whose sum is σ = 229678225920. Its totient is φ = 48462696576.

The previous prime is 123238099489. The next prime is 123238099513. The reversal of 123238099502 is 205990832321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550553 + ... + 741339.

It is an arithmetic number, because the mean of its divisors is an integer number (3588722280).

Almost surely, 2^123238099502 is an apocalyptic number.

123238099502 is a deficient number, since it is larger than the sum of its proper divisors (106440126418).

123238099502 is a wasteful number, since it uses less digits than its factorization.

123238099502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190905.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 123238099502 in words is "one hundred twenty-three billion, two hundred thirty-eight million, ninety-nine thousand, five hundred two".