1134142023 has 16 divisors (see below), whose sum is σ = 1728746496. Its totient is φ = 647882400.

The previous prime is 1134142003. The next prime is 1134142039. The reversal of 1134142023 is 3202414311.

It is not a de Polignac number, because 1134142023 - 2⁹ = 1134141511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134142003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87673 + ... + 99773.

It is an arithmetic number, because the mean of its divisors is an integer number (108046656).

Almost surely, 2^1134142023 is an apocalyptic number.

1134142023 is a deficient number, since it is larger than the sum of its proper divisors (594604473).

1134142023 is a wasteful number, since it uses less digits than its factorization.

1134142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1134142023 is about 33677.0251506869. The cubic root of 1134142023 is about 1042.8515256638.

Adding to 1134142023 its reverse (3202414311), we get a palindrome (4336556334).

The spelling of 1134142023 in words is "one billion, one hundred thirty-four million, one hundred forty-two thousand, twenty-three".