252112161623 has 8 divisors (see below), whose sum is σ = 288192866592. Its totient is φ = 216047627136.

The previous prime is 252112161617. The next prime is 252112161629. The reversal of 252112161623 is 326161211252.

It is an interprime number because it is at equal distance from previous prime (252112161617) and next prime (252112161629).

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

It is a cyclic number.

It is not a de Polignac number, because 252112161623 - 2²⁰ = 252111113047 is a prime.

It is a super-3 number, since 3×252112161623³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252112161623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252112161629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4009190 + ... + 4071587.

It is an arithmetic number, because the mean of its divisors is an integer number (36024108324).

Almost surely, 2^252112161623 is an apocalyptic number.

252112161623 is a deficient number, since it is larger than the sum of its proper divisors (36080704969).

252112161623 is an equidigital number, since it uses as much as digits as its factorization.

252112161623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085241.

The product of its digits is 8640, while the sum is 32.

Adding to 252112161623 its reverse (326161211252), we get a palindrome (578273372875).

The spelling of 252112161623 in words is "two hundred fifty-two billion, one hundred twelve million, one hundred sixty-one thousand, six hundred twenty-three".