100398267623 has 2 divisors, whose sum is σ = 100398267624. Its totient is φ = 100398267622.

The previous prime is 100398267617. The next prime is 100398267659. The reversal of 100398267623 is 326762893001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (326762893001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100398267623 - 2²⁰ = 100397219047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100398227623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50199133811 + 50199133812.

It is an arithmetic number, because the mean of its divisors is an integer number (50199133812).

Almost surely, 2^100398267623 is an apocalyptic number.

100398267623 is a deficient number, since it is larger than the sum of its proper divisors (1).

100398267623 is an equidigital number, since it uses as much as digits as its factorization.

100398267623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 100398267623 in words is "one hundred billion, three hundred ninety-eight million, two hundred sixty-seven thousand, six hundred twenty-three".