423222135500 has 48 divisors (see below), whose sum is σ = 936979103424. Its totient is φ = 166969814400.

The previous prime is 423222135493. The next prime is 423222135521. The reversal of 423222135500 is 5531222324.

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, 5761064 + ... + 5834063.

It is an arithmetic number, because the mean of its divisors is an integer number (19520397988).

Almost surely, 2^423222135500 is an apocalyptic number.

It is an amenable number.

423222135500 is an abundant number, since it is smaller than the sum of its proper divisors (513756967924).

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

423222135500 is a wasteful number, since it uses less digits than its factorization.

423222135500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11595219 (or 11595207 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 423222135500 its reverse (5531222324), we get a palindrome (428753357824).

The spelling of 423222135500 in words is "four hundred twenty-three billion, two hundred twenty-two million, one hundred thirty-five thousand, five hundred".