23591283949 has 2 divisors, whose sum is σ = 23591283950. Its totient is φ = 23591283948.

The previous prime is 23591283893. The next prime is 23591283959. The reversal of 23591283949 is 94938219532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20990793924 + 2600490025 = 144882^2 + 50995^2 .

It is a cyclic number.

It is not a de Polignac number, because 23591283949 - 2²³ = 23582895341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23591283949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23591283959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11795641974 + 11795641975.

It is an arithmetic number, because the mean of its divisors is an integer number (11795641975).

Almost surely, 2^23591283949 is an apocalyptic number.

It is an amenable number.

23591283949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23591283949 is an equidigital number, since it uses as much as digits as its factorization.

23591283949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The spelling of 23591283949 in words is "twenty-three billion, five hundred ninety-one million, two hundred eighty-three thousand, nine hundred forty-nine".