172364262463223 has 2 divisors, whose sum is σ = 172364262463224. Its totient is φ = 172364262463222.

The previous prime is 172364262463207. The next prime is 172364262463297. The reversal of 172364262463223 is 322364262463271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172364262463223 - 2⁴ = 172364262463207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172364232463223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86182131231611 + 86182131231612.

It is an arithmetic number, because the mean of its divisors is an integer number (86182131231612).

Almost surely, 2^{172364262463223} is an apocalyptic number.

172364262463223 is a deficient number, since it is larger than the sum of its proper divisors (1).

172364262463223 is an equidigital number, since it uses as much as digits as its factorization.

172364262463223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 53.

The spelling of 172364262463223 in words is "one hundred seventy-two trillion, three hundred sixty-four billion, two hundred sixty-two million, four hundred sixty-three thousand, two hundred twenty-three".