23281571311 has 2 divisors, whose sum is σ = 23281571312. Its totient is φ = 23281571310.

The previous prime is 23281571251. The next prime is 23281571317. The reversal of 23281571311 is 11317518232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23281571311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23281571317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640785655 + 11640785656.

It is an arithmetic number, because the mean of its divisors is an integer number (11640785656).

Almost surely, 2^23281571311 is an apocalyptic number.

23281571311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23281571311 is an equidigital number, since it uses as much as digits as its factorization.

23281571311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The spelling of 23281571311 in words is "twenty-three billion, two hundred eighty-one million, five hundred seventy-one thousand, three hundred eleven".