430023323444 has 72 divisors (see below), whose sum is σ = 892408210344. Its totient is φ = 180103968000.

The previous prime is 430023323413. The next prime is 430023323447. The reversal of 430023323444 is 444323320034.

It can be written as a sum of positive squares in 4 ways, for example, as 28853099044 + 401170224400 = 169862^2 + 633380^2 .

It is a super-2 number, since 2×430023323444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 430023323444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430023323447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3443294 + ... + 3565994.

It is an arithmetic number, because the mean of its divisors is an integer number (12394558477).

Almost surely, 2^430023323444 is an apocalyptic number.

430023323444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

430023323444 is an abundant number, since it is smaller than the sum of its proper divisors (462384886900).

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

430023323444 is a wasteful number, since it uses less digits than its factorization.

430023323444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123297 (or 123284 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 430023323444 its reverse (444323320034), we get a palindrome (874346643478).

The spelling of 430023323444 in words is "four hundred thirty billion, twenty-three million, three hundred twenty-three thousand, four hundred forty-four".