142450323 has 4 divisors (see below), whose sum is σ = 189933768. Its totient is φ = 94966880.

The previous prime is 142450313. The next prime is 142450331. The reversal of 142450323 is 323054241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323054241 = 3 ⋅107684747.

It is a cyclic number.

It is not a de Polignac number, because 142450323 - 2⁴ = 142450307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142450293 and 142450302.

It is not an unprimeable number, because it can be changed into a prime (142450303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23741718 + ... + 23741723.

It is an arithmetic number, because the mean of its divisors is an integer number (47483442).

Almost surely, 2^142450323 is an apocalyptic number.

142450323 is a deficient number, since it is larger than the sum of its proper divisors (47483445).

142450323 is an equidigital number, since it uses as much as digits as its factorization.

142450323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47483444.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 142450323 is about 11935.2554643795. The cubic root of 142450323 is about 522.2612607119.

The spelling of 142450323 in words is "one hundred forty-two million, four hundred fifty thousand, three hundred twenty-three".