23925331481 has 2 divisors, whose sum is σ = 23925331482. Its totient is φ = 23925331480.

The previous prime is 23925331477. The next prime is 23925331501. The reversal of 23925331481 is 18413352932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13712410000 + 10212921481 = 117100^2 + 101059^2 .

It is a cyclic number.

It is not a de Polignac number, because 23925331481 - 2² = 23925331477 is a prime.

It is a super-2 number, since 2×23925331481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23925331471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11962665740 + 11962665741.

It is an arithmetic number, because the mean of its divisors is an integer number (11962665741).

Almost surely, 2^23925331481 is an apocalyptic number.

It is an amenable number.

23925331481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23925331481 is an equidigital number, since it uses as much as digits as its factorization.

23925331481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 23925331481 in words is "twenty-three billion, nine hundred twenty-five million, three hundred thirty-one thousand, four hundred eighty-one".