1423334042220 has 24 divisors (see below), whose sum is σ = 3985335318384. Its totient is φ = 379555744576.

The previous prime is 1423334042153. The next prime is 1423334042233. The reversal of 1423334042220 is 222404333241.

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 7 ways as a sum of consecutive naturals, for example, 11861116959 + ... + 11861117078.

It is an arithmetic number, because the mean of its divisors is an integer number (166055638266).

Almost surely, 2^{1423334042220} is an apocalyptic number.

1423334042220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423334042220 is an abundant number, since it is smaller than the sum of its proper divisors (2562001276164).

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

1423334042220 is a wasteful number, since it uses less digits than its factorization.

1423334042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722234049 (or 23722234047 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1423334042220 its reverse (222404333241), we get a palindrome (1645738375461).

The spelling of 1423334042220 in words is "one trillion, four hundred twenty-three billion, three hundred thirty-four million, forty-two thousand, two hundred twenty".