123732757027 has 4 divisors (see below), whose sum is σ = 134981189496. Its totient is φ = 112484324560.

The previous prime is 123732757021. The next prime is 123732757037. The reversal of 123732757027 is 720757237321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123732757027 - 2²⁷ = 123598539299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123732757021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624216218 + ... + 5624216239.

It is an arithmetic number, because the mean of its divisors is an integer number (33745297374).

Almost surely, 2^123732757027 is an apocalyptic number.

123732757027 is a deficient number, since it is larger than the sum of its proper divisors (11248432469).

123732757027 is a wasteful number, since it uses less digits than its factorization.

123732757027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248432468.

The product of its (nonzero) digits is 864360, while the sum is 46.

The spelling of 123732757027 in words is "one hundred twenty-three billion, seven hundred thirty-two million, seven hundred fifty-seven thousand, twenty-seven".