23001434389 has 2 divisors, whose sum is σ = 23001434390. Its totient is φ = 23001434388.

The previous prime is 23001434383. The next prime is 23001434459. The reversal of 23001434389 is 98343410032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13324777489 + 9676656900 = 115433^2 + 98370^2 .

It is a cyclic number.

It is not a de Polignac number, because 23001434389 - 2¹¹ = 23001432341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001434383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500717194 + 11500717195.

It is an arithmetic number, because the mean of its divisors is an integer number (11500717195).

Almost surely, 2^23001434389 is an apocalyptic number.

It is an amenable number.

23001434389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001434389 is an equidigital number, since it uses as much as digits as its factorization.

23001434389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 23001434389 in words is "twenty-three billion, one million, four hundred thirty-four thousand, three hundred eighty-nine".