312220201123023 has 4 divisors (see below), whose sum is σ = 416293601497368. Its totient is φ = 208146800748680.

The previous prime is 312220201123009. The next prime is 312220201123027. The reversal of 312220201123023 is 320321102022213.

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-312220201123023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312220201122984 and 312220201123002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312220201123027) 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, 52036700187168 + ... + 52036700187173.

It is an arithmetic number, because the mean of its divisors is an integer number (104073400374342).

Almost surely, 2^{312220201123023} is an apocalyptic number.

312220201123023 is a deficient number, since it is larger than the sum of its proper divisors (104073400374345).

312220201123023 is a wasteful number, since it uses less digits than its factorization.

312220201123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104073400374344.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312220201123023 its reverse (320321102022213), we get a palindrome (632541303145236).

The spelling of 312220201123023 in words is "three hundred twelve trillion, two hundred twenty billion, two hundred one million, one hundred twenty-three thousand, twenty-three".