23132030981 has 2 divisors, whose sum is σ = 23132030982. Its totient is φ = 23132030980.

The previous prime is 23132030927. The next prime is 23132031077. The reversal of 23132030981 is 18903023132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17453052100 + 5678978881 = 132110^2 + 75359^2 .

It is a cyclic number.

It is not a de Polignac number, because 23132030981 - 2¹⁸ = 23131768837 is a prime.

It is a super-2 number, since 2×23132030981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23132032981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566015490 + 11566015491.

It is an arithmetic number, because the mean of its divisors is an integer number (11566015491).

Almost surely, 2^23132030981 is an apocalyptic number.

It is an amenable number.

23132030981 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132030981 is an equidigital number, since it uses as much as digits as its factorization.

23132030981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 23132030981 in words is "twenty-three billion, one hundred thirty-two million, thirty thousand, nine hundred eighty-one".