11823658959919 has 2 divisors, whose sum is σ = 11823658959920. Its totient is φ = 11823658959918.

The previous prime is 11823658959841. The next prime is 11823658959923. The reversal of 11823658959919 is 91995985632811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11823658959919 is a prime.

It is a super-2 number, since 2×11823658959919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11823658950919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5911829479959 + 5911829479960.

It is an arithmetic number, because the mean of its divisors is an integer number (5911829479960).

Almost surely, 2^{11823658959919} is an apocalyptic number.

11823658959919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11823658959919 is an equidigital number, since it uses as much as digits as its factorization.

11823658959919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 377913600, while the sum is 76.

The spelling of 11823658959919 in words is "eleven trillion, eight hundred twenty-three billion, six hundred fifty-eight million, nine hundred fifty-nine thousand, nine hundred nineteen".