122310221023 has 4 divisors (see below), whose sum is σ = 122312390760. Its totient is φ = 122308051288.

The previous prime is 122310221017. The next prime is 122310221039. The reversal of 122310221023 is 320122013221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320122013221 = 41 ⋅7807853981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122310221023 is a prime.

It is a super-2 number, since 2×122310221023² (a number of 23 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 (122310221053) 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, 997993 + ... + 1113826.

It is an arithmetic number, because the mean of its divisors is an integer number (30578097690).

Almost surely, 2^122310221023 is an apocalyptic number.

122310221023 is a deficient number, since it is larger than the sum of its proper divisors (2169737).

122310221023 is an equidigital number, since it uses as much as digits as its factorization.

122310221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169736.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122310221023 its reverse (320122013221), we get a palindrome (442432234244).

The spelling of 122310221023 in words is "one hundred twenty-two billion, three hundred ten million, two hundred twenty-one thousand, twenty-three".