11775142323 has 24 divisors (see below), whose sum is σ = 19835036000. Its totient is φ = 6728650992.

The previous prime is 11775142279. The next prime is 11775142369. The reversal of 11775142323 is 32324157711.

11775142323 is a `hidden beast` number, since 117 + 7 + 514 + 2 + 3 + 23 = 666.

It is not a de Polignac number, because 11775142323 - 2¹⁷ = 11775011251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11775142823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1904128 + ... + 1910301.

Almost surely, 2^11775142323 is an apocalyptic number.

11775142323 is a deficient number, since it is larger than the sum of its proper divisors (8059893677).

11775142323 is an equidigital number, since it uses as much as digits as its factorization.

11775142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814456 (or 3814439 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The spelling of 11775142323 in words is "eleven billion, seven hundred seventy-five million, one hundred forty-two thousand, three hundred twenty-three".