210142023 has 16 divisors (see below), whose sum is σ = 344848896. Its totient is φ = 110844000.

The previous prime is 210142021. The next prime is 210142027. The reversal of 210142023 is 320241012.

It is not a de Polignac number, because 210142023 - 2¹ = 210142021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210141993 and 210142011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210142021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384603 + ... + 385148.

It is an arithmetic number, because the mean of its divisors is an integer number (21553056).

Almost surely, 2^210142023 is an apocalyptic number.

210142023 is a deficient number, since it is larger than the sum of its proper divisors (134706873).

210142023 is a wasteful number, since it uses less digits than its factorization.

210142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769774.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210142023 is about 14496.2761770049. The cubic root of 210142023 is about 594.5261608944.

Adding to 210142023 its reverse (320241012), we get a palindrome (530383035).

The spelling of 210142023 in words is "two hundred ten million, one hundred forty-two thousand, twenty-three".