123220202022321 has 64 divisors (see below), whose sum is σ = 178226220589056. Its totient is φ = 75518907552000.

The previous prime is 123220202022317. The next prime is 123220202022383.

123220202022321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123220202022321 - 2² = 123220202022317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123220202022291 and 123220202022300.

It is not an unprimeable number, because it can be changed into a prime (123220202022391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110580270 + ... + 111689016.

It is an arithmetic number, because the mean of its divisors is an integer number (2784784696704).

Almost surely, 2^{123220202022321} is an apocalyptic number.

It is an amenable number.

123220202022321 is a deficient number, since it is larger than the sum of its proper divisors (55006018566735).

123220202022321 is a wasteful number, since it uses less digits than its factorization.

123220202022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109342.

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 12322020 and 2022321, that added together give a palindrome (14344341).

The spelling of 123220202022321 in words is "one hundred twenty-three trillion, two hundred twenty billion, two hundred two million, twenty-two thousand, three hundred twenty-one".