1132742423 has 4 divisors (see below), whose sum is σ = 1132814448. Its totient is φ = 1132670400.

The previous prime is 1132742393. The next prime is 1132742461. The reversal of 1132742423 is 3242472311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1132742423 - 2²⁰ = 1131693847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132742473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211 + ... + 47612.

It is an arithmetic number, because the mean of its divisors is an integer number (283203612).

Almost surely, 2^1132742423 is an apocalyptic number.

1132742423 is a deficient number, since it is larger than the sum of its proper divisors (72025).

1132742423 is an equidigital number, since it uses as much as digits as its factorization.

1132742423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72024.

The product of its digits is 8064, while the sum is 29.

The square root of 1132742423 is about 33656.2389907131. The cubic root of 1132742423 is about 1042.4223684157.

The spelling of 1132742423 in words is "one billion, one hundred thirty-two million, seven hundred forty-two thousand, four hundred twenty-three".