423220301042 has 128 divisors (see below), whose sum is σ = 888813969408. Its totient is φ = 146009318400.

The previous prime is 423220301029. The next prime is 423220301089. The reversal of 423220301042 is 240103022324.

It is a super-2 number, since 2×423220301042² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 423220300999 and 423220301017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3615443 + ... + 3730665.

It is an arithmetic number, because the mean of its divisors is an integer number (6943859136).

Almost surely, 2^423220301042 is an apocalyptic number.

423220301042 is an abundant number, since it is smaller than the sum of its proper divisors (465593668366).

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

423220301042 is a wasteful number, since it uses less digits than its factorization.

423220301042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115344.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 423220301042 its reverse (240103022324), we get a palindrome (663323323366).

The spelling of 423220301042 in words is "four hundred twenty-three billion, two hundred twenty million, three hundred one thousand, forty-two".