142324023 has 16 divisors (see below), whose sum is σ = 202625280. Its totient is φ = 88644864.

The previous prime is 142324019. The next prime is 142324043. The reversal of 142324023 is 320423241.

It is not a de Polignac number, because 142324023 - 2² = 142324019 is a prime.

It is a super-2 number, since 2×142324023² = 40512255045809058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142324043) 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, 21018 + ... + 26951.

It is an arithmetic number, because the mean of its divisors is an integer number (12664080).

Almost surely, 2^142324023 is an apocalyptic number.

142324023 is a deficient number, since it is larger than the sum of its proper divisors (60301257).

142324023 is a wasteful number, since it uses less digits than its factorization.

142324023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48038.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142324023 is about 11929.9632438663. The cubic root of 142324023 is about 522.1068651307.

Adding to 142324023 its reverse (320423241), we get a palindrome (462747264).

The spelling of 142324023 in words is "one hundred forty-two million, three hundred twenty-four thousand, twenty-three".