100669823 has 2 divisors, whose sum is σ = 100669824. Its totient is φ = 100669822.

The previous prime is 100669799. The next prime is 100669879. The reversal of 100669823 is 328966001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100669823 - 2¹⁸ = 100407679 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 (100669423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50334911 + 50334912.

It is an arithmetic number, because the mean of its divisors is an integer number (50334912).

Almost surely, 2^100669823 is an apocalyptic number.

100669823 is a deficient number, since it is larger than the sum of its proper divisors (1).

100669823 is an equidigital number, since it uses as much as digits as its factorization.

100669823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 100669823 is about 10033.4352541889. The cubic root of 100669823 is about 465.1929256877.

The spelling of 100669823 in words is "one hundred million, six hundred sixty-nine thousand, eight hundred twenty-three".