1129423263399 has 40 divisors (see below), whose sum is σ = 1702354536960. Its totient is φ = 746184862800.

The previous prime is 1129423263391. The next prime is 1129423263421. The reversal of 1129423263399 is 9933623249211.

1129423263399 is a `hidden beast` number, since 1 + 1 + 294 + 2 + 3 + 263 + 3 + 99 = 666.

It is not a de Polignac number, because 1129423263399 - 2³ = 1129423263391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129423263391) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7769514 + ... + 7913544.

It is an arithmetic number, because the mean of its divisors is an integer number (42558863424).

Almost surely, 2^{1129423263399} is an apocalyptic number.

1129423263399 is a deficient number, since it is larger than the sum of its proper divisors (572931273561).

1129423263399 is a wasteful number, since it uses less digits than its factorization.

1129423263399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144913 (or 144904 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The spelling of 1129423263399 in words is "one trillion, one hundred twenty-nine billion, four hundred twenty-three million, two hundred sixty-three thousand, three hundred ninety-nine".