4123323432444 has 24 divisors (see below), whose sum is σ = 9952849665360. Its totient is φ = 1327046621824.

The previous prime is 4123323432439. The next prime is 4123323432467. The reversal of 4123323432444 is 4442343233214.

It is a happy number.

It is a super-2 number, since 2×4123323432444² (a number of 26 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 5924314929 + ... + 5924315624.

It is an arithmetic number, because the mean of its divisors is an integer number (414702069390).

Almost surely, 2^{4123323432444} is an apocalyptic number.

It is an amenable number.

4123323432444 is an abundant number, since it is smaller than the sum of its proper divisors (5829526232916).

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

4123323432444 is a wasteful number, since it uses less digits than its factorization.

4123323432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848630589 (or 11848630587 counting only the distinct ones).

The product of its digits is 663552, while the sum is 39.

Adding to 4123323432444 its reverse (4442343233214), we get a palindrome (8565666665658).

The spelling of 4123323432444 in words is "four trillion, one hundred twenty-three billion, three hundred twenty-three million, four hundred thirty-two thousand, four hundred forty-four".