142023023 has 4 divisors (see below), whose sum is σ = 145325928. Its totient is φ = 138720120.

The previous prime is 142023019. The next prime is 142023029. The reversal of 142023023 is 320320241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142023023 - 2² = 142023019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142022992 and 142023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142023029) 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, 1651388 + ... + 1651473.

It is an arithmetic number, because the mean of its divisors is an integer number (36331482).

Almost surely, 2^142023023 is an apocalyptic number.

142023023 is a deficient number, since it is larger than the sum of its proper divisors (3302905).

142023023 is an equidigital number, since it uses as much as digits as its factorization.

142023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302904.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142023023 is about 11917.3412722805. The cubic root of 142023023 is about 521.7385387313.

Adding to 142023023 its reverse (320320241), we get a palindrome (462343264).

The spelling of 142023023 in words is "one hundred forty-two million, twenty-three thousand, twenty-three".