23258946721 has 2 divisors, whose sum is σ = 23258946722. Its totient is φ = 23258946720.

The previous prime is 23258946679. The next prime is 23258946727. The reversal of 23258946721 is 12764985232.

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., 23252895121 + 6051600 = 152489^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 23258946721 - 2¹³ = 23258938529 is a prime.

It is not a weakly prime, because it can be changed into another prime (23258946727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11629473360 + 11629473361.

It is an arithmetic number, because the mean of its divisors is an integer number (11629473361).

Almost surely, 2^23258946721 is an apocalyptic number.

It is an amenable number.

23258946721 is a deficient number, since it is larger than the sum of its proper divisors (1).

23258946721 is an equidigital number, since it uses as much as digits as its factorization.

23258946721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The spelling of 23258946721 in words is "twenty-three billion, two hundred fifty-eight million, nine hundred forty-six thousand, seven hundred twenty-one".