1123471634993 has 2 divisors, whose sum is σ = 1123471634994. Its totient is φ = 1123471634992.

The previous prime is 1123471634959. The next prime is 1123471635029. The reversal of 1123471634993 is 3994361743211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755807674384 + 367663960609 = 869372^2 + 606353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123471634993 - 2⁸ = 1123471634737 is a prime.

It is a super-2 number, since 2×1123471634993² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123471634293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561735817496 + 561735817497.

It is an arithmetic number, because the mean of its divisors is an integer number (561735817497).

Almost surely, 2^{1123471634993} is an apocalyptic number.

It is an amenable number.

1123471634993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123471634993 is an equidigital number, since it uses as much as digits as its factorization.

1123471634993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The spelling of 1123471634993 in words is "one trillion, one hundred twenty-three billion, four hundred seventy-one million, six hundred thirty-four thousand, nine hundred ninety-three".