100180823 has 2 divisors, whose sum is σ = 100180824. Its totient is φ = 100180822.

The previous prime is 100180807. The next prime is 100180831. The reversal of 100180823 is 328081001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100180823 - 2⁴ = 100180807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100180853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50090411 + 50090412.

It is an arithmetic number, because the mean of its divisors is an integer number (50090412).

Almost surely, 2^100180823 is an apocalyptic number.

100180823 is a deficient number, since it is larger than the sum of its proper divisors (1).

100180823 is an equidigital number, since it uses as much as digits as its factorization.

100180823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 100180823 is about 10009.0370665714. The cubic root of 100180823 is about 464.4384835743.

The spelling of 100180823 in words is "one hundred million, one hundred eighty thousand, eight hundred twenty-three".