142970023 has 8 divisors (see below), whose sum is σ = 163468448. Its totient is φ = 122490144.

The previous prime is 142969999. The next prime is 142970033. The reversal of 142970023 is 320079241.

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

It is not a de Polignac number, because 142970023 - 2²¹ = 140872871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142969973 and 142970000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142970033) 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, 22465 + ... + 28117.

It is an arithmetic number, because the mean of its divisors is an integer number (20433556).

Almost surely, 2^142970023 is an apocalyptic number.

142970023 is a deficient number, since it is larger than the sum of its proper divisors (20498425).

142970023 is an equidigital number, since it uses as much as digits as its factorization.

142970023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 142970023 is about 11957.0072760704. The cubic root of 142970023 is about 522.8956099759.

The spelling of 142970023 in words is "one hundred forty-two million, nine hundred seventy thousand, twenty-three".