123350657745 has 32 divisors (see below), whose sum is σ = 225568703232. Its totient is φ = 56385568512.

The previous prime is 123350657737. The next prime is 123350657779. The reversal of 123350657745 is 547756053321.

It is not a de Polignac number, because 123350657745 - 2³ = 123350657737 is a prime.

It is a super-2 number, since 2×123350657745² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123350657694 and 123350657703.

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, 3271219 + ... + 3308711.

It is an arithmetic number, because the mean of its divisors is an integer number (7049021976).

Almost surely, 2^123350657745 is an apocalyptic number.

123350657745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123350657745 is a deficient number, since it is larger than the sum of its proper divisors (102218045487).

123350657745 is a wasteful number, since it uses less digits than its factorization.

123350657745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68841.

The product of its (nonzero) digits is 2646000, while the sum is 48.

The spelling of 123350657745 in words is "one hundred twenty-three billion, three hundred fifty million, six hundred fifty-seven thousand, seven hundred forty-five".