23210113209 has 32 divisors (see below), whose sum is σ = 33876101376. Its totient is φ = 14075596800.

The previous prime is 23210113193. The next prime is 23210113217. The reversal of 23210113209 is 90231101232.

It is not a de Polignac number, because 23210113209 - 2⁴ = 23210113193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23210113229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244209 + ... + 325665.

It is an arithmetic number, because the mean of its divisors is an integer number (1058628168).

Almost surely, 2^23210113209 is an apocalyptic number.

It is an amenable number.

23210113209 is a deficient number, since it is larger than the sum of its proper divisors (10665988167).

23210113209 is a wasteful number, since it uses less digits than its factorization.

23210113209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81665.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 23210113209 in words is "twenty-three billion, two hundred ten million, one hundred thirteen thousand, two hundred nine".