201102099923 has 2 divisors, whose sum is σ = 201102099924. Its totient is φ = 201102099922.

The previous prime is 201102099907. The next prime is 201102100009. The reversal of 201102099923 is 329990201102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201102099923 - 2⁴ = 201102099907 is a prime.

It is not a weakly prime, because it can be changed into another prime (201102099623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551049961 + 100551049962.

It is an arithmetic number, because the mean of its divisors is an integer number (100551049962).

Almost surely, 2^201102099923 is an apocalyptic number.

201102099923 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102099923 is an equidigital number, since it uses as much as digits as its factorization.

201102099923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 201102099923 in words is "two hundred one billion, one hundred two million, ninety-nine thousand, nine hundred twenty-three".