123375037427 has 16 divisors (see below), whose sum is σ = 130834075392. Its totient is φ = 116135285760.

The previous prime is 123375037369. The next prime is 123375037453. The reversal of 123375037427 is 724730573321.

It is a cyclic number.

It is not a de Polignac number, because 123375037427 - 2³⁴ = 106195168243 is a prime.

It is a super-2 number, since 2×123375037427² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123375037927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4640123 + ... + 4666635.

It is an arithmetic number, because the mean of its divisors is an integer number (8177129712).

Almost surely, 2^123375037427 is an apocalyptic number.

123375037427 is a deficient number, since it is larger than the sum of its proper divisors (7459037965).

123375037427 is a wasteful number, since it uses less digits than its factorization.

123375037427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30638.

The product of its (nonzero) digits is 740880, while the sum is 44.

The spelling of 123375037427 in words is "one hundred twenty-three billion, three hundred seventy-five million, thirty-seven thousand, four hundred twenty-seven".