423242403 has 8 divisors (see below), whose sum is σ = 566746128. Its totient is φ = 280950144.

The previous prime is 423242399. The next prime is 423242429. The reversal of 423242403 is 304242324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423242403 - 2² = 423242399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423242903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302050 + ... + 303447.

It is an arithmetic number, because the mean of its divisors is an integer number (70843266).

Almost surely, 2^423242403 is an apocalyptic number.

423242403 is a deficient number, since it is larger than the sum of its proper divisors (143503725).

423242403 is a wasteful number, since it uses less digits than its factorization.

423242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605733.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 423242403 is about 20572.8559757755. The cubic root of 423242403 is about 750.8094389860.

Adding to 423242403 its reverse (304242324), we get a palindrome (727484727).

The spelling of 423242403 in words is "four hundred twenty-three million, two hundred forty-two thousand, four hundred three".