142323929 has 8 divisors (see below), whose sum is σ = 156864288. Its totient is φ = 128050560.

The previous prime is 142323911. The next prime is 142323953. The reversal of 142323929 is 929323241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142323929 - 2⁸ = 142323673 is a prime.

It is a super-2 number, since 2×142323929² = 40512201531994082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142323959) 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, 65627 + ... + 67760.

It is an arithmetic number, because the mean of its divisors is an integer number (19608036).

Almost surely, 2^142323929 is an apocalyptic number.

It is an amenable number.

142323929 is a deficient number, since it is larger than the sum of its proper divisors (14540359).

142323929 is a wasteful number, since it uses less digits than its factorization.

142323929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133495.

The product of its digits is 23328, while the sum is 35.

The square root of 142323929 is about 11929.9593042055. The cubic root of 142323929 is about 522.1067501863.

It can be divided in two parts, 1423 and 23929, that added together give a palindrome (25352).

The spelling of 142323929 in words is "one hundred forty-two million, three hundred twenty-three thousand, nine hundred twenty-nine".