210023242 has 16 divisors (see below), whose sum is σ = 370111392. Its totient is φ = 88121520.

The previous prime is 210023239. The next prime is 210023243. The reversal of 210023242 is 242320012.

It is not an unprimeable number, because it can be changed into a prime (210023243) 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, 366888 + ... + 367459.

It is an arithmetic number, because the mean of its divisors is an integer number (23131962).

Almost surely, 2^210023242 is an apocalyptic number.

210023242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210023242 is a deficient number, since it is larger than the sum of its proper divisors (160088150).

210023242 is a wasteful number, since it uses less digits than its factorization.

210023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734373.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210023242 is about 14492.1786491887. The cubic root of 210023242 is about 594.4141228220.

Adding to 210023242 its reverse (242320012), we get a palindrome (452343254).

The spelling of 210023242 in words is "two hundred ten million, twenty-three thousand, two hundred forty-two".