23020432109 has 2 divisors, whose sum is σ = 23020432110. Its totient is φ = 23020432108.

The previous prime is 23020432103. The next prime is 23020432151. The reversal of 23020432109 is 90123402032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22996206025 + 24226084 = 151645^2 + 4922^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020432109 - 2²⁴ = 23003654893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23020432103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510216054 + 11510216055.

It is an arithmetic number, because the mean of its divisors is an integer number (11510216055).

Almost surely, 2^23020432109 is an apocalyptic number.

It is an amenable number.

23020432109 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020432109 is an equidigital number, since it uses as much as digits as its factorization.

23020432109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 23020432109 in words is "twenty-three billion, twenty million, four hundred thirty-two thousand, one hundred nine".