102023101209 has 8 divisors (see below), whose sum is σ = 136036058560. Its totient is φ = 68012772336.

The previous prime is 102023101199. The next prime is 102023101259. The reversal of 102023101209 is 902101320201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-102023101209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102023101259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564694 + ... + 723135.

It is an arithmetic number, because the mean of its divisors is an integer number (17004507320).

Almost surely, 2^102023101209 is an apocalyptic number.

It is an amenable number.

102023101209 is a deficient number, since it is larger than the sum of its proper divisors (34012957351).

102023101209 is a wasteful number, since it uses less digits than its factorization.

102023101209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314239.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 102023101209 in words is "one hundred two billion, twenty-three million, one hundred one thousand, two hundred nine".