423433044444 has 24 divisors (see below), whose sum is σ = 988021253520. Its totient is φ = 141142802944.

The previous prime is 423433044439. The next prime is 423433044521. The reversal of 423433044444 is 444440334324.

It is a super-2 number, since 2×423433044444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1659262 + ... + 1897370.

It is an arithmetic number, because the mean of its divisors is an integer number (41167552230).

Almost surely, 2^423433044444 is an apocalyptic number.

It is an amenable number.

423433044444 is an abundant number, since it is smaller than the sum of its proper divisors (564588209076).

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

423433044444 is a wasteful number, since it uses less digits than its factorization.

423433044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386309 (or 386307 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 423433044444 its reverse (444440334324), we get a palindrome (867873378768).

The spelling of 423433044444 in words is "four hundred twenty-three billion, four hundred thirty-three million, forty-four thousand, four hundred forty-four".