23227315081 has 2 divisors, whose sum is σ = 23227315082. Its totient is φ = 23227315080.

The previous prime is 23227315061. The next prime is 23227315087. The reversal of 23227315081 is 18051372232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21109474681 + 2117840400 = 145291^2 + 46020^2 .

It is a cyclic number.

It is not a de Polignac number, because 23227315081 - 2³¹ = 21079831433 is a prime.

It is a super-2 number, since 2×23227315081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23227315087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11613657540 + 11613657541.

It is an arithmetic number, because the mean of its divisors is an integer number (11613657541).

Almost surely, 2^23227315081 is an apocalyptic number.

It is an amenable number.

23227315081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23227315081 is an equidigital number, since it uses as much as digits as its factorization.

23227315081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 23227315081 in words is "twenty-three billion, two hundred twenty-seven million, three hundred fifteen thousand, eighty-one".