23102219999 has 2 divisors, whose sum is σ = 23102220000. Its totient is φ = 23102219998.

The previous prime is 23102219957. The next prime is 23102220161. The reversal of 23102219999 is 99991220132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23102219999 - 2¹⁶ = 23102154463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23102219299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551109999 + 11551110000.

It is an arithmetic number, because the mean of its divisors is an integer number (11551110000).

Almost surely, 2^23102219999 is an apocalyptic number.

23102219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23102219999 is an equidigital number, since it uses as much as digits as its factorization.

23102219999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 23102219999 in words is "twenty-three billion, one hundred two million, two hundred nineteen thousand, nine hundred ninety-nine".