423404030043 has 12 divisors (see below), whose sum is σ = 632672688960. Its totient is φ = 272535927216.

The previous prime is 423404030039. The next prime is 423404030051. The reversal of 423404030043 is 340030404324.

It is not a de Polignac number, because 423404030043 - 2² = 423404030039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423404029989 and 423404030016.

It is not an unprimeable number, because it can be changed into a prime (423404032043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 811118571 + ... + 811119092.

It is an arithmetic number, because the mean of its divisors is an integer number (52722724080).

Almost surely, 2^423404030043 is an apocalyptic number.

423404030043 is a deficient number, since it is larger than the sum of its proper divisors (209268658917).

423404030043 is a wasteful number, since it uses less digits than its factorization.

423404030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622237698 (or 1622237695 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 423404030043 its reverse (340030404324), we get a palindrome (763434434367).

The spelling of 423404030043 in words is "four hundred twenty-three billion, four hundred four million, thirty thousand, forty-three".