18123362137 has 8 divisors (see below), whose sum is σ = 18502344000. Its totient is φ = 17745751920.

The previous prime is 18123362071. The next prime is 18123362149. The reversal of 18123362137 is 73126332181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18123362137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18123362096 and 18123362105.

It is not an unprimeable number, because it can be changed into a prime (18123362437) 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 7 ways as a sum of consecutive naturals, for example, 316189 + ... + 369082.

It is an arithmetic number, because the mean of its divisors is an integer number (2312793000).

Almost surely, 2^18123362137 is an apocalyptic number.

It is an amenable number.

18123362137 is a deficient number, since it is larger than the sum of its proper divisors (378981863).

18123362137 is an equidigital number, since it uses as much as digits as its factorization.

18123362137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685823.

The product of its digits is 36288, while the sum is 37.

The spelling of 18123362137 in words is "eighteen billion, one hundred twenty-three million, three hundred sixty-two thousand, one hundred thirty-seven".