23699221783 has 2 divisors, whose sum is σ = 23699221784. Its totient is φ = 23699221782.

The previous prime is 23699221753. The next prime is 23699221801. The reversal of 23699221783 is 38712299632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23699221783 - 2²¹ = 23697124631 is a prime.

It is a super-2 number, since 2×23699221783² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23699221783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23699221753) 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, 11849610891 + 11849610892.

It is an arithmetic number, because the mean of its divisors is an integer number (11849610892).

Almost surely, 2^23699221783 is an apocalyptic number.

23699221783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23699221783 is an equidigital number, since it uses as much as digits as its factorization.

23699221783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The spelling of 23699221783 in words is "twenty-three billion, six hundred ninety-nine million, two hundred twenty-one thousand, seven hundred eighty-three".