612165103023 has 4 divisors (see below), whose sum is σ = 816220137368. Its totient is φ = 408110068680.

The previous prime is 612165103019. The next prime is 612165103037. The reversal of 612165103023 is 320301561216.

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

It is not a de Polignac number, because 612165103023 - 2² = 612165103019 is a prime.

It is a super-2 number, since 2×612165103023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612165103003) 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, 102027517168 + ... + 102027517173.

It is an arithmetic number, because the mean of its divisors is an integer number (204055034342).

Almost surely, 2^612165103023 is an apocalyptic number.

612165103023 is a deficient number, since it is larger than the sum of its proper divisors (204055034345).

612165103023 is a wasteful number, since it uses less digits than its factorization.

612165103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204055034344.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 612165103023 its reverse (320301561216), we get a palindrome (932466664239).

The spelling of 612165103023 in words is "six hundred twelve billion, one hundred sixty-five million, one hundred three thousand, twenty-three".