423629834 has 8 divisors (see below), whose sum is σ = 672823908. Its totient is φ = 199355200.

The previous prime is 423629831. The next prime is 423629839. The reversal of 423629834 is 438926324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423330625 + 299209 = 20575^2 + 547^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423629791 and 423629800.

It is not an unprimeable number, because it can be changed into a prime (423629831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6229817 + ... + 6229884.

Almost surely, 2^423629834 is an apocalyptic number.

423629834 is a deficient number, since it is larger than the sum of its proper divisors (249194074).

423629834 is a wasteful number, since it uses less digits than its factorization.

423629834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12459720.

The product of its digits is 248832, while the sum is 41.

The square root of 423629834 is about 20582.2698942561. The cubic root of 423629834 is about 751.0384630919.

The spelling of 423629834 in words is "four hundred twenty-three million, six hundred twenty-nine thousand, eight hundred thirty-four".