1142345323 has 4 divisors (see below), whose sum is σ = 1305537520. Its totient is φ = 979153128.

The previous prime is 1142345317. The next prime is 1142345327. The reversal of 1142345323 is 3235432411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142345323 - 2⁵ = 1142345291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142345291 and 1142345300.

It is not an unprimeable number, because it can be changed into a prime (1142345327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81596088 + ... + 81596101.

It is an arithmetic number, because the mean of its divisors is an integer number (326384380).

Almost surely, 2^1142345323 is an apocalyptic number.

1142345323 is a deficient number, since it is larger than the sum of its proper divisors (163192197).

1142345323 is an equidigital number, since it uses as much as digits as its factorization.

1142345323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163192196.

The product of its digits is 8640, while the sum is 28.

The square root of 1142345323 is about 33798.5994236448. The cubic root of 1142345323 is about 1045.3598184007.

Adding to 1142345323 its reverse (3235432411), we get a palindrome (4377777734).

The spelling of 1142345323 in words is "one billion, one hundred forty-two million, three hundred forty-five thousand, three hundred twenty-three".