142956923 has 4 divisors (see below), whose sum is σ = 142987728. Its totient is φ = 142926120.

The previous prime is 142956911. The next prime is 142956929. The reversal of 142956923 is 329659241.

142956923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329659241 = 463 ⋅712007.

It is a cyclic number.

It is not a de Polignac number, because 142956923 - 2⁴ = 142956907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142956929) 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, 6863 + ... + 18248.

It is an arithmetic number, because the mean of its divisors is an integer number (35746932).

Almost surely, 2^142956923 is an apocalyptic number.

142956923 is a deficient number, since it is larger than the sum of its proper divisors (30805).

142956923 is an equidigital number, since it uses as much as digits as its factorization.

142956923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804.

The product of its digits is 116640, while the sum is 41.

The square root of 142956923 is about 11956.4594675849. The cubic root of 142956923 is about 522.8796389316.

The spelling of 142956923 in words is "one hundred forty-two million, nine hundred fifty-six thousand, nine hundred twenty-three".