1123626319999 has 2 divisors, whose sum is σ = 1123626320000. Its totient is φ = 1123626319998.

The previous prime is 1123626319979. The next prime is 1123626320009. The reversal of 1123626319999 is 9999136263211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9999136263211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123626319999 - 2⁵ = 1123626319967 is a prime.

It is a super-2 number, since 2×1123626319999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123626319979) 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, 561813159999 + 561813160000.

It is an arithmetic number, because the mean of its divisors is an integer number (561813160000).

Almost surely, 2^{1123626319999} is an apocalyptic number.

1123626319999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123626319999 is an equidigital number, since it uses as much as digits as its factorization.

1123626319999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 61.

The spelling of 1123626319999 in words is "one trillion, one hundred twenty-three billion, six hundred twenty-six million, three hundred nineteen thousand, nine hundred ninety-nine".