423223213444 has 12 divisors (see below), whose sum is σ = 764532256768. Its totient is φ = 204785425800.

The previous prime is 423223213433. The next prime is 423223213451. The reversal of 423223213444 is 444312322324.

It is a super-2 number, since 2×423223213444² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706545092 + ... + 1706545339.

Almost surely, 2^423223213444 is an apocalyptic number.

It is an amenable number.

423223213444 is a deficient number, since it is larger than the sum of its proper divisors (341309043324).

423223213444 is a wasteful number, since it uses less digits than its factorization.

423223213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413090466 (or 3413090464 counting only the distinct ones).

The product of its digits is 110592, while the sum is 34.

Adding to 423223213444 its reverse (444312322324), we get a palindrome (867535535768).

The spelling of 423223213444 in words is "four hundred twenty-three billion, two hundred twenty-three million, two hundred thirteen thousand, four hundred forty-four".