23130213109 has 2 divisors, whose sum is σ = 23130213110. Its totient is φ = 23130213108.

The previous prime is 23130213101. The next prime is 23130213137. The reversal of 23130213109 is 90131203132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13899231025 + 9230982084 = 117895^2 + 96078^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130213109 - 2³ = 23130213101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23130213101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565106554 + 11565106555.

It is an arithmetic number, because the mean of its divisors is an integer number (11565106555).

Almost surely, 2^23130213109 is an apocalyptic number.

It is an amenable number.

23130213109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130213109 is an equidigital number, since it uses as much as digits as its factorization.

23130213109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 23130213109 in words is "twenty-three billion, one hundred thirty million, two hundred thirteen thousand, one hundred nine".