423434555 has 16 divisors (see below), whose sum is σ = 539123040. Its totient is φ = 318162432.

The previous prime is 423434533. The next prime is 423434579. The reversal of 423434555 is 555434324.

It is a cyclic number.

It is not a de Polignac number, because 423434555 - 2⁶ = 423434491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38372 + ... + 48158.

It is an arithmetic number, because the mean of its divisors is an integer number (33695190).

Almost surely, 2^423434555 is an apocalyptic number.

423434555 is a deficient number, since it is larger than the sum of its proper divisors (115688485).

423434555 is a wasteful number, since it uses less digits than its factorization.

423434555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318.

The product of its digits is 144000, while the sum is 35.

The square root of 423434555 is about 20577.5254829146. The cubic root of 423434555 is about 750.9230442604.

Adding to 423434555 its reverse (555434324), we get a palindrome (978868879).

The spelling of 423434555 in words is "four hundred twenty-three million, four hundred thirty-four thousand, five hundred fifty-five".