100521116623 has 2 divisors, whose sum is σ = 100521116624. Its totient is φ = 100521116622.

The previous prime is 100521116557. The next prime is 100521116627. The reversal of 100521116623 is 326611125001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100521116623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100521116591 and 100521116600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100521116627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50260558311 + 50260558312.

It is an arithmetic number, because the mean of its divisors is an integer number (50260558312).

Almost surely, 2^100521116623 is an apocalyptic number.

100521116623 is a deficient number, since it is larger than the sum of its proper divisors (1).

100521116623 is an equidigital number, since it uses as much as digits as its factorization.

100521116623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 100521116623 in words is "one hundred billion, five hundred twenty-one million, one hundred sixteen thousand, six hundred twenty-three".