423667234 has 16 divisors (see below), whose sum is σ = 680448600. Its totient is φ = 197131264.

The previous prime is 423667229. The next prime is 423667267. The reversal of 423667234 is 432766324.

It can be written as a sum of positive squares in 4 ways, for example, as 358913025 + 64754209 = 18945^2 + 8047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423667193 and 423667202.

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, 66979 + ... + 73030.

Almost surely, 2^423667234 is an apocalyptic number.

423667234 is a deficient number, since it is larger than the sum of its proper divisors (256781366).

423667234 is a wasteful number, since it uses less digits than its factorization.

423667234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140117.

The product of its digits is 145152, while the sum is 37.

The square root of 423667234 is about 20583.1784231688. The cubic root of 423667234 is about 751.0605641572.

The spelling of 423667234 in words is "four hundred twenty-three million, six hundred sixty-seven thousand, two hundred thirty-four".