423420207 has 16 divisors (see below), whose sum is σ = 683165952. Its totient is φ = 227721600.

The previous prime is 423420203. The next prime is 423420251. The reversal of 423420207 is 702024324.

It is not a de Polignac number, because 423420207 - 2² = 423420203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423420203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592669 + ... + 593382.

It is an arithmetic number, because the mean of its divisors is an integer number (42697872).

Almost surely, 2^423420207 is an apocalyptic number.

423420207 is a deficient number, since it is larger than the sum of its proper divisors (259745745).

423420207 is a wasteful number, since it uses less digits than its factorization.

423420207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186078.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 423420207 is about 20577.1768471771. The cubic root of 423420207 is about 750.9145625361.

The spelling of 423420207 in words is "four hundred twenty-three million, four hundred twenty thousand, two hundred seven".