138057007023 has 18 divisors (see below), whose sum is σ = 215935321056. Its totient is φ = 84958157232.

The previous prime is 138057006991. The next prime is 138057007027. The reversal of 138057007023 is 320700750831.

138057007023 is a `hidden beast` number, since 1 + 3 + 80 + 570 + 0 + 7 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 138057007023 - 2⁵ = 138057006991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138057007027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45382111 + ... + 45385152.

Almost surely, 2^138057007023 is an apocalyptic number.

138057007023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

138057007023 is a deficient number, since it is larger than the sum of its proper divisors (77878314033).

138057007023 is a wasteful number, since it uses less digits than its factorization.

138057007023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90767295 (or 90767279 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 138057007023 its reverse (320700750831), we get a palindrome (458757757854).

The spelling of 138057007023 in words is "one hundred thirty-eight billion, fifty-seven million, seven thousand, twenty-three".