223672218023 has 2 divisors, whose sum is σ = 223672218024. Its totient is φ = 223672218022.

The previous prime is 223672217921. The next prime is 223672218031. The reversal of 223672218023 is 320812276322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223672218023 - 2¹⁸ = 223671955879 is a prime.

It is a super-2 number, since 2×223672218023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223672211023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111836109011 + 111836109012.

It is an arithmetic number, because the mean of its divisors is an integer number (111836109012).

Almost surely, 2^223672218023 is an apocalyptic number.

223672218023 is a deficient number, since it is larger than the sum of its proper divisors (1).

223672218023 is an equidigital number, since it uses as much as digits as its factorization.

223672218023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 223672218023 in words is "two hundred twenty-three billion, six hundred seventy-two million, two hundred eighteen thousand, twenty-three".