23214220481 has 2 divisors, whose sum is σ = 23214220482. Its totient is φ = 23214220480.

The previous prime is 23214220457. The next prime is 23214220507. The reversal of 23214220481 is 18402241232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16491696400 + 6722524081 = 128420^2 + 81991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23214220481 is a prime.

It is a super-2 number, since 2×23214220481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23214222481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607110240 + 11607110241.

It is an arithmetic number, because the mean of its divisors is an integer number (11607110241).

Almost surely, 2^23214220481 is an apocalyptic number.

It is an amenable number.

23214220481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23214220481 is an equidigital number, since it uses as much as digits as its factorization.

23214220481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 23214220481 in words is "twenty-three billion, two hundred fourteen million, two hundred twenty thousand, four hundred eighty-one".