1142341523 has 8 divisors (see below), whose sum is σ = 1192780080. Its totient is φ = 1092639520.

The previous prime is 1142341513. The next prime is 1142341567. The reversal of 1142341523 is 3251432411.

It is a happy number.

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 1142341523 - 2⁸ = 1142341267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142341492 and 1142341501.

It is not an unprimeable number, because it can be changed into a prime (1142341513) 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, 180968 + ... + 187173.

It is an arithmetic number, because the mean of its divisors is an integer number (149097510).

Almost surely, 2^1142341523 is an apocalyptic number.

1142341523 is a deficient number, since it is larger than the sum of its proper divisors (50438557).

1142341523 is a wasteful number, since it uses less digits than its factorization.

1142341523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368277.

The product of its digits is 2880, while the sum is 26.

The square root of 1142341523 is about 33798.5432082509. The cubic root of 1142341523 is about 1045.3586592732.

Adding to 1142341523 its reverse (3251432411), we get a palindrome (4393773934).

The spelling of 1142341523 in words is "one billion, one hundred forty-two million, three hundred forty-one thousand, five hundred twenty-three".