123850755738 has 24 divisors (see below), whose sum is σ = 272742377076. Its totient is φ = 40606804800.

The previous prime is 123850755737. The next prime is 123850755773. The reversal of 123850755738 is 837557058321.

123850755738 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 50 + 7 + 557 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108565637049 + 15285118689 = 329493^2 + 123633^2 .

It is not an unprimeable number, because it can be changed into a prime (123850755737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56397243 + ... + 56399438.

Almost surely, 2^123850755738 is an apocalyptic number.

123850755738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123850755738 is an abundant number, since it is smaller than the sum of its proper divisors (148891621338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123850755738 is a wasteful number, since it uses less digits than its factorization.

123850755738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112796750 (or 112796747 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 123850755738 in words is "one hundred twenty-three billion, eight hundred fifty million, seven hundred fifty-five thousand, seven hundred thirty-eight".