424312403 has 4 divisors (see below), whose sum is σ = 434661528. Its totient is φ = 413963280.

The previous prime is 424312393. The next prime is 424312423. The reversal of 424312403 is 304213424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424312403 - 2¹² = 424308307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424312423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5174501 + ... + 5174582.

It is an arithmetic number, because the mean of its divisors is an integer number (108665382).

Almost surely, 2^424312403 is an apocalyptic number.

424312403 is a deficient number, since it is larger than the sum of its proper divisors (10349125).

424312403 is a wasteful number, since it uses less digits than its factorization.

424312403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349124.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 424312403 is about 20598.8447006137. The cubic root of 424312403 is about 751.4416141856.

Adding to 424312403 its reverse (304213424), we get a palindrome (728525827).

The spelling of 424312403 in words is "four hundred twenty-four million, three hundred twelve thousand, four hundred three".