142323401 has 8 divisors (see below), whose sum is σ = 155541600. Its totient is φ = 129151840.

The previous prime is 142323373. The next prime is 142323403. The reversal of 142323401 is 104323241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142323401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142323403) 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, 5111 + ... + 17628.

It is an arithmetic number, because the mean of its divisors is an integer number (19442700).

Almost surely, 2^142323401 is an apocalyptic number.

142323401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142323401 is a deficient number, since it is larger than the sum of its proper divisors (13218199).

142323401 is a wasteful number, since it uses less digits than its factorization.

142323401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142323401 is about 11929.9371750232. The cubic root of 142323401 is about 522.1061045401.

Adding to 142323401 its reverse (104323241), we get a palindrome (246646642).

The spelling of 142323401 in words is "one hundred forty-two million, three hundred twenty-three thousand, four hundred one".