102000123023209 has 4 divisors (see below), whose sum is σ = 102953395201104. Its totient is φ = 101046850845316.

The previous prime is 102000123023207. The next prime is 102000123023273. The reversal of 102000123023209 is 902320321000201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102000123023209 - 2¹ = 102000123023207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102000123023207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476636088787 + ... + 476636089000.

It is an arithmetic number, because the mean of its divisors is an integer number (25738348800276).

Almost surely, 2^{102000123023209} is an apocalyptic number.

It is an amenable number.

102000123023209 is a deficient number, since it is larger than the sum of its proper divisors (953272177895).

102000123023209 is an equidigital number, since it uses as much as digits as its factorization.

102000123023209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953272177894.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 102000123023209 in words is "one hundred two trillion, one hundred twenty-three million, twenty-three thousand, two hundred nine".