23425746889 has 2 divisors, whose sum is σ = 23425746890. Its totient is φ = 23425746888.

The previous prime is 23425746823. The next prime is 23425746899. The reversal of 23425746889 is 98864752432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22690903225 + 734843664 = 150635^2 + 27108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23425746889 is a prime.

It is a super-3 number, since 3×23425746889³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23425746899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712873444 + 11712873445.

It is an arithmetic number, because the mean of its divisors is an integer number (11712873445).

Almost surely, 2^23425746889 is an apocalyptic number.

It is an amenable number.

23425746889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23425746889 is an equidigital number, since it uses as much as digits as its factorization.

23425746889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23224320, while the sum is 58.

The spelling of 23425746889 in words is "twenty-three billion, four hundred twenty-five million, seven hundred forty-six thousand, eight hundred eighty-nine".