312020120023 has 4 divisors (see below), whose sum is σ = 319276401928. Its totient is φ = 304763838120.

The previous prime is 312020120003. The next prime is 312020120047. The reversal of 312020120023 is 320021020213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312020120023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312020119979 and 312020120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312020120003) 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, 3628140888 + ... + 3628140973.

It is an arithmetic number, because the mean of its divisors is an integer number (79819100482).

Almost surely, 2^312020120023 is an apocalyptic number.

312020120023 is a deficient number, since it is larger than the sum of its proper divisors (7256281905).

312020120023 is an equidigital number, since it uses as much as digits as its factorization.

312020120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7256281904.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312020120023 its reverse (320021020213), we get a palindrome (632041140236).

The spelling of 312020120023 in words is "three hundred twelve billion, twenty million, one hundred twenty thousand, twenty-three".