1142023343 has 8 divisors (see below), whose sum is σ = 1173071808. Its totient is φ = 1111256224.

The previous prime is 1142023303. The next prime is 1142023361. The reversal of 1142023343 is 3433202411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142023343 - 2¹⁸ = 1141761199 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 (1142023303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62096 + ... + 78357.

It is an arithmetic number, because the mean of its divisors is an integer number (146633976).

Almost surely, 2^1142023343 is an apocalyptic number.

1142023343 is a deficient number, since it is larger than the sum of its proper divisors (31048465).

1142023343 is a wasteful number, since it uses less digits than its factorization.

1142023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140673.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1142023343 is about 33793.8358728334. The cubic root of 1142023343 is about 1045.2615945754.

Adding to 1142023343 its reverse (3433202411), we get a palindrome (4575225754).

The spelling of 1142023343 in words is "one billion, one hundred forty-two million, twenty-three thousand, three hundred forty-three".