210123033242 has 32 divisors (see below), whose sum is σ = 348280031232. Its totient is φ = 94569894144.

The previous prime is 210123033223. The next prime is 210123033269. The reversal of 210123033242 is 242330321012.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8838023 + ... + 8861765.

It is an arithmetic number, because the mean of its divisors is an integer number (10883750976).

Almost surely, 2^210123033242 is an apocalyptic number.

210123033242 is a deficient number, since it is larger than the sum of its proper divisors (138156997990).

210123033242 is a wasteful number, since it uses less digits than its factorization.

210123033242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35102.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 210123033242 its reverse (242330321012), we get a palindrome (452453354254).

The spelling of 210123033242 in words is "two hundred ten billion, one hundred twenty-three million, thirty-three thousand, two hundred forty-two".