220123152212231 has 2 divisors, whose sum is σ = 220123152212232. Its totient is φ = 220123152212230.

The previous prime is 220123152212213. The next prime is 220123152212237. The reversal of 220123152212231 is 132212251321022.

Together with previous prime (220123152212213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220123152212231 - 2⁶ = 220123152212167 is a prime.

It is a super-2 number, since 2×220123152212231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220123152212194 and 220123152212203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220123152212237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061576106115 + 110061576106116.

It is an arithmetic number, because the mean of its divisors is an integer number (110061576106116).

Almost surely, 2^{220123152212231} is an apocalyptic number.

220123152212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

220123152212231 is an equidigital number, since it uses as much as digits as its factorization.

220123152212231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 220123152212231 in words is "two hundred twenty trillion, one hundred twenty-three billion, one hundred fifty-two million, two hundred twelve thousand, two hundred thirty-one".