23242430989 has 2 divisors, whose sum is σ = 23242430990. Its totient is φ = 23242430988.

The previous prime is 23242430983. The next prime is 23242431011. The reversal of 23242430989 is 98903424232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23205342889 + 37088100 = 152333^2 + 6090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23242430989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23242430983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621215494 + 11621215495.

It is an arithmetic number, because the mean of its divisors is an integer number (11621215495).

Almost surely, 2^23242430989 is an apocalyptic number.

It is an amenable number.

23242430989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23242430989 is an equidigital number, since it uses as much as digits as its factorization.

23242430989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 23242430989 in words is "twenty-three billion, two hundred forty-two million, four hundred thirty thousand, nine hundred eighty-nine".