423511113 has 4 divisors (see below), whose sum is σ = 564681488. Its totient is φ = 282340740.

The previous prime is 423511103. The next prime is 423511133. The reversal of 423511113 is 311115324.

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 423511113 - 2⁴ = 423511097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423511113.

It is not an unprimeable number, because it can be changed into a prime (423511103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70585183 + ... + 70585188.

It is an arithmetic number, because the mean of its divisors is an integer number (141170372).

Almost surely, 2^423511113 is an apocalyptic number.

It is an amenable number.

423511113 is a deficient number, since it is larger than the sum of its proper divisors (141170375).

423511113 is a wasteful number, since it uses less digits than its factorization.

423511113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141170374.

The product of its digits is 360, while the sum is 21.

The square root of 423511113 is about 20579.3856322292. The cubic root of 423511113 is about 750.9682977723.

Adding to 423511113 its reverse (311115324), we get a palindrome (734626437).

The spelling of 423511113 in words is "four hundred twenty-three million, five hundred eleven thousand, one hundred thirteen".