423221054338 has 32 divisors (see below), whose sum is σ = 680751667584. Its totient is φ = 196819362432.

The previous prime is 423221054317. The next prime is 423221054339. The reversal of 423221054338 is 833450122324.

It is a super-3 number, since 3×423221054338³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 423221054297 and 423221054306.

It is not an unprimeable number, because it can be changed into a prime (423221054339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2745181 + ... + 2895247.

It is an arithmetic number, because the mean of its divisors is an integer number (21273489612).

Almost surely, 2^423221054338 is an apocalyptic number.

423221054338 is a deficient number, since it is larger than the sum of its proper divisors (257530613246).

423221054338 is a wasteful number, since it uses less digits than its factorization.

423221054338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151786.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 423221054338 in words is "four hundred twenty-three billion, two hundred twenty-one million, fifty-four thousand, three hundred thirty-eight".