423324242220 has 48 divisors (see below), whose sum is σ = 1293063141888. Its totient is φ = 102624058560.

The previous prime is 423324242213. The next prime is 423324242239. The reversal of 423324242220 is 22242423324.

It is a super-2 number, since 2×423324242220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 320699524 + ... + 320700843.

It is an arithmetic number, because the mean of its divisors is an integer number (26938815456).

Almost surely, 2^423324242220 is an apocalyptic number.

It is an amenable number.

423324242220 is an abundant number, since it is smaller than the sum of its proper divisors (869738899668).

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

423324242220 is a wasteful number, since it uses less digits than its factorization.

423324242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641400390 (or 641400388 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 423324242220 its reverse (22242423324), we get a palindrome (445566665544).

The spelling of 423324242220 in words is "four hundred twenty-three billion, three hundred twenty-four million, two hundred forty-two thousand, two hundred twenty".