321122112023 has 2 divisors, whose sum is σ = 321122112024. Its totient is φ = 321122112022.

The previous prime is 321122112007. The next prime is 321122112043. The reversal of 321122112023 is 320211221123.

It is an a-pointer prime, because the next prime (321122112043) can be obtained adding 321122112023 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321122112023 - 2⁴ = 321122112007 is a prime.

It is a super-2 number, since 2×321122112023² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321122111986 and 321122112004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321122112043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160561056011 + 160561056012.

It is an arithmetic number, because the mean of its divisors is an integer number (160561056012).

Almost surely, 2^321122112023 is an apocalyptic number.

321122112023 is a deficient number, since it is larger than the sum of its proper divisors (1).

321122112023 is an equidigital number, since it uses as much as digits as its factorization.

321122112023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321122112023 its reverse (320211221123), we get a palindrome (641333333146).

The spelling of 321122112023 in words is "three hundred twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, twenty-three".