1142133023 has 8 divisors (see below), whose sum is σ = 1174318656. Its totient is φ = 1110153600.

The previous prime is 1142133007. The next prime is 1142133053. The reversal of 1142133023 is 3203312411.

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 1142133023 - 2⁴ = 1142133007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142132986 and 1142133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142133053) 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 7 ways as a sum of consecutive naturals, for example, 40286 + ... + 62507.

It is an arithmetic number, because the mean of its divisors is an integer number (146789832).

Almost surely, 2^1142133023 is an apocalyptic number.

1142133023 is a deficient number, since it is larger than the sum of its proper divisors (32185633).

1142133023 is a wasteful number, since it uses less digits than its factorization.

1142133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103105.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1142133023 is about 33795.4586150270. The cubic root of 1142133023 is about 1045.2950558359.

Adding to 1142133023 its reverse (3203312411), we get a palindrome (4345445434).

It can be divided in two parts, 11421 and 33023, that added together give a palindrome (44444).

The spelling of 1142133023 in words is "one billion, one hundred forty-two million, one hundred thirty-three thousand, twenty-three".