424211023 has 4 divisors (see below), whose sum is σ = 428175720. Its totient is φ = 420246328.

The previous prime is 424210999. The next prime is 424211033. The reversal of 424211023 is 320112424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424211023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424211033) 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, 1982188 + ... + 1982401.

It is an arithmetic number, because the mean of its divisors is an integer number (107043930).

Almost surely, 2^424211023 is an apocalyptic number.

424211023 is a deficient number, since it is larger than the sum of its proper divisors (3964697).

424211023 is a wasteful number, since it uses less digits than its factorization.

424211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964696.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 424211023 is about 20596.3837359863. The cubic root of 424211023 is about 751.3817626718.

Adding to 424211023 its reverse (320112424), we get a palindrome (744323447).

The spelling of 424211023 in words is "four hundred twenty-four million, two hundred eleven thousand, twenty-three".