142430023 has 12 divisors (see below), whose sum is σ = 154003248. Its totient is φ = 131628960.

The previous prime is 142430009. The next prime is 142430033. The reversal of 142430023 is 320034241.

It is not a de Polignac number, because 142430023 - 2¹³ = 142421831 is a prime.

It is a super-2 number, since 2×142430023² = 40572622903561058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142430003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9990 + ... + 19612.

It is an arithmetic number, because the mean of its divisors is an integer number (12833604).

Almost surely, 2^142430023 is an apocalyptic number.

142430023 is a deficient number, since it is larger than the sum of its proper divisors (11573225).

142430023 is an equidigital number, since it uses as much as digits as its factorization.

142430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9702 (or 9683 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142430023 is about 11934.4050124001. The cubic root of 142430023 is about 522.2364511104.

Adding to 142430023 its reverse (320034241), we get a palindrome (462464264).

The spelling of 142430023 in words is "one hundred forty-two million, four hundred thirty thousand, twenty-three".