23281787411 has 2 divisors, whose sum is σ = 23281787412. Its totient is φ = 23281787410.

The previous prime is 23281787401. The next prime is 23281787423. The reversal of 23281787411 is 11478718232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23281787411 is a prime.

It is not a weakly prime, because it can be changed into another prime (23281787401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640893705 + 11640893706.

It is an arithmetic number, because the mean of its divisors is an integer number (11640893706).

Almost surely, 2^23281787411 is an apocalyptic number.

23281787411 is a deficient number, since it is larger than the sum of its proper divisors (1).

23281787411 is an equidigital number, since it uses as much as digits as its factorization.

23281787411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 44.

The spelling of 23281787411 in words is "twenty-three billion, two hundred eighty-one million, seven hundred eighty-seven thousand, four hundred eleven".