423679336 has 8 divisors (see below), whose sum is σ = 794398770. Its totient is φ = 211839664.

The previous prime is 423679331. The next prime is 423679337. The reversal of 423679336 is 633976324.

It can be written as a sum of positive squares in only one way, i.e., 224700100 + 198979236 = 14990^2 + 14106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 423679292 and 423679301.

It is not an unprimeable number, because it can be changed into a prime (423679331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26479951 + ... + 26479966.

Almost surely, 2^423679336 is an apocalyptic number.

It is an amenable number.

423679336 is a deficient number, since it is larger than the sum of its proper divisors (370719434).

423679336 is a wasteful number, since it uses less digits than its factorization.

423679336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52959923 (or 52959919 counting only the distinct ones).

The product of its digits is 489888, while the sum is 43.

The square root of 423679336 is about 20583.4723989904. The cubic root of 423679336 is about 751.0677154053.

The spelling of 423679336 in words is "four hundred twenty-three million, six hundred seventy-nine thousand, three hundred thirty-six".