202321102434 has 16 divisors (see below), whose sum is σ = 441427860000. Its totient is φ = 61309424960.

The previous prime is 202321102421. The next prime is 202321102439. The reversal of 202321102434 is 434201123202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202321102439) 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, 1532735559 + ... + 1532735690.

It is an arithmetic number, because the mean of its divisors is an integer number (27589241250).

Almost surely, 2^202321102434 is an apocalyptic number.

202321102434 is an abundant number, since it is smaller than the sum of its proper divisors (239106757566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202321102434 is a wasteful number, since it uses less digits than its factorization.

202321102434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065471265.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202321102434 its reverse (434201123202), we get a palindrome (636522225636).

The spelling of 202321102434 in words is "two hundred two billion, three hundred twenty-one million, one hundred two thousand, four hundred thirty-four".