123350731312 has 10 divisors (see below), whose sum is σ = 238992041948. Its totient is φ = 61675365648.

The previous prime is 123350731303. The next prime is 123350731331. The reversal of 123350731312 is 213137053321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3854710338 + ... + 3854710369.

Almost surely, 2^123350731312 is an apocalyptic number.

It is an amenable number.

123350731312 is a deficient number, since it is larger than the sum of its proper divisors (115641310636).

123350731312 is an equidigital number, since it uses as much as digits as its factorization.

123350731312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709420715 (or 7709420709 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

Adding to 123350731312 its reverse (213137053321), we get a palindrome (336487784633).

The spelling of 123350731312 in words is "one hundred twenty-three billion, three hundred fifty million, seven hundred thirty-one thousand, three hundred twelve".