423220124442 has 16 divisors (see below), whose sum is σ = 847943701920. Its totient is φ = 140822799312.

The previous prime is 423220124413. The next prime is 423220124461. The reversal of 423220124442 is 244421022324.

It is a happy number.

It is a super-2 number, since 2×423220124442² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62640217 + ... + 62646972.

It is an arithmetic number, because the mean of its divisors is an integer number (52996481370).

Almost surely, 2^423220124442 is an apocalyptic number.

423220124442 is an abundant number, since it is smaller than the sum of its proper divisors (424723577478).

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

423220124442 is a wasteful number, since it uses less digits than its factorization.

423220124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125287757.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 423220124442 its reverse (244421022324), we get a palindrome (667641146766).

The spelling of 423220124442 in words is "four hundred twenty-three billion, two hundred twenty million, one hundred twenty-four thousand, four hundred forty-two".