423403221010 has 128 divisors (see below), whose sum is σ = 973377699840. Its totient is φ = 128782483200.

The previous prime is 423403220993. The next prime is 423403221011. The reversal of 423403221010 is 10122304324.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (423403221011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5929701 + ... + 6000679.

It is an arithmetic number, because the mean of its divisors is an integer number (7604513280).

Almost surely, 2^423403221010 is an apocalyptic number.

423403221010 is an abundant number, since it is smaller than the sum of its proper divisors (549974478830).

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

423403221010 is a wasteful number, since it uses less digits than its factorization.

423403221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71192.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 423403221010 its reverse (10122304324), we get a palindrome (433525525334).

The spelling of 423403221010 in words is "four hundred twenty-three billion, four hundred three million, two hundred twenty-one thousand, ten".