424243453 has 4 divisors (see below), whose sum is σ = 431434080. Its totient is φ = 417052828.

The previous prime is 424243447. The next prime is 424243499. The reversal of 424243453 is 354342424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 424243453 - 2¹³ = 424235261 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 (424243423) 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, 3595225 + ... + 3595342.

It is an arithmetic number, because the mean of its divisors is an integer number (107858520).

Almost surely, 2^424243453 is an apocalyptic number.

It is an amenable number.

424243453 is a deficient number, since it is larger than the sum of its proper divisors (7190627).

424243453 is an equidigital number, since it uses as much as digits as its factorization.

424243453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190626.

The product of its digits is 46080, while the sum is 31.

The square root of 424243453 is about 20597.1709950663. The cubic root of 424243453 is about 751.4009093451.

Adding to 424243453 its reverse (354342424), we get a palindrome (778585877).

It can be divided in two parts, 42424345 and 3, that multiplied together give a triangular number (127273035 = T₁₅₉₅₄).

The spelling of 424243453 in words is "four hundred twenty-four million, two hundred forty-three thousand, four hundred fifty-three".