423380434 has 16 divisors (see below), whose sum is σ = 645016320. Its totient is φ = 208391040.

The previous prime is 423380429. The next prime is 423380449. The reversal of 423380434 is 434083324.

It is a junction number, because it is equal to n+sod(n) for n = 423380396 and 423380405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51979 + ... + 59569.

It is an arithmetic number, because the mean of its divisors is an integer number (40313520).

Almost surely, 2^423380434 is an apocalyptic number.

423380434 is a deficient number, since it is larger than the sum of its proper divisors (221635886).

423380434 is a wasteful number, since it uses less digits than its factorization.

423380434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 423380434 is about 20576.2103896709. The cubic root of 423380434 is about 750.8910499910.

The spelling of 423380434 in words is "four hundred twenty-three million, three hundred eighty thousand, four hundred thirty-four".