423551434 has 8 divisors (see below), whose sum is σ = 635422788. Its totient is φ = 211743840.

The previous prime is 423551389. The next prime is 423551441. The reversal of 423551434 is 434155324.

It can be written as a sum of positive squares in 2 ways, for example, as 393903409 + 29648025 = 19847^2 + 5445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 423551396 and 423551405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7654 + ... + 30094.

Almost surely, 2^423551434 is an apocalyptic number.

423551434 is a deficient number, since it is larger than the sum of its proper divisors (211871354).

423551434 is a wasteful number, since it uses less digits than its factorization.

423551434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31880.

The product of its digits is 28800, while the sum is 31.

The square root of 423551434 is about 20580.3652542903. The cubic root of 423551434 is about 750.9921293641.

The spelling of 423551434 in words is "four hundred twenty-three million, five hundred fifty-one thousand, four hundred thirty-four".