423440224224313 has 4 divisors (see below), whose sum is σ = 423634552002640. Its totient is φ = 423245896445988.

The previous prime is 423440224224299. The next prime is 423440224224323. The reversal of 423440224224313 is 313422422044324.

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 a cyclic number.

It is not a de Polignac number, because 423440224224313 - 2²⁹ = 423439687353401 is a prime.

It is a super-2 number, since 2×423440224224313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423440224224323) 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, 97163885895 + ... + 97163890252.

It is an arithmetic number, because the mean of its divisors is an integer number (105908638000660).

Almost surely, 2^{423440224224313} is an apocalyptic number.

It is an amenable number.

423440224224313 is a deficient number, since it is larger than the sum of its proper divisors (194327778327).

423440224224313 is a wasteful number, since it uses less digits than its factorization.

423440224224313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194327778326.

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 423440224224313 its reverse (313422422044324), we get a palindrome (736862646268637).

The spelling of 423440224224313 in words is "four hundred twenty-three trillion, four hundred forty billion, two hundred twenty-four million, two hundred twenty-four thousand, three hundred thirteen".