37990001123 has 4 divisors (see below), whose sum is σ = 37990608000. Its totient is φ = 37989394248.

The previous prime is 37990001107. The next prime is 37990001143. The reversal of 37990001123 is 32110009973.

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 37990001123 - 2⁴ = 37990001107 is a prime.

It is a super-2 number, since 2×37990001123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37990001143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197123 + ... + 338876.

It is an arithmetic number, because the mean of its divisors is an integer number (9497652000).

Almost surely, 2^37990001123 is an apocalyptic number.

37990001123 is a deficient number, since it is larger than the sum of its proper divisors (606877).

37990001123 is an equidigital number, since it uses as much as digits as its factorization.

37990001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606876.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 37990001123 in words is "thirty-seven billion, nine hundred ninety million, one thousand, one hundred twenty-three".