423344356 has 6 divisors (see below), whose sum is σ = 740852630. Its totient is φ = 211672176.

The previous prime is 423344351. The next prime is 423344357. The reversal of 423344356 is 653443324.

It can be written as a sum of positive squares in only one way, i.e., 335622400 + 87721956 = 18320^2 + 9366^2 .

It is not an unprimeable number, because it can be changed into a prime (423344351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52918041 + ... + 52918048.

Almost surely, 2^423344356 is an apocalyptic number.

It is an amenable number.

423344356 is a deficient number, since it is larger than the sum of its proper divisors (317508274).

423344356 is a wasteful number, since it uses less digits than its factorization.

423344356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105836093 (or 105836091 counting only the distinct ones).

The product of its digits is 103680, while the sum is 34.

The square root of 423344356 is about 20575.3336789467. Note that the first 3 decimals coincide. The cubic root of 423344356 is about 750.8697205399.

The spelling of 423344356 in words is "four hundred twenty-three million, three hundred forty-four thousand, three hundred fifty-six".