672229401023 has 2 divisors, whose sum is σ = 672229401024. Its totient is φ = 672229401022.

The previous prime is 672229400977. The next prime is 672229401073. The reversal of 672229401023 is 320104922276.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672229401023 - 2²⁴ = 672212623807 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 (672229401073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336114700511 + 336114700512.

It is an arithmetic number, because the mean of its divisors is an integer number (336114700512).

Almost surely, 2^672229401023 is an apocalyptic number.

672229401023 is a deficient number, since it is larger than the sum of its proper divisors (1).

672229401023 is an equidigital number, since it uses as much as digits as its factorization.

672229401023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 672229401023 in words is "six hundred seventy-two billion, two hundred twenty-nine million, four hundred one thousand, twenty-three".