423021113 has 4 divisors (see below), whose sum is σ = 423103488. Its totient is φ = 422938740.

The previous prime is 423021101. The next prime is 423021119. The reversal of 423021113 is 311120324.

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 423021113 - 2²⁸ = 154585657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423021091 and 423021100.

It is not an unprimeable number, because it can be changed into a prime (423021119) 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, 32933 + ... + 43938.

It is an arithmetic number, because the mean of its divisors is an integer number (105775872).

Almost surely, 2^423021113 is an apocalyptic number.

It is an amenable number.

423021113 is a deficient number, since it is larger than the sum of its proper divisors (82375).

423021113 is an equidigital number, since it uses as much as digits as its factorization.

423021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82374.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 423021113 is about 20567.4770693928. The cubic root of 423021113 is about 750.6785639569.

Adding to 423021113 its reverse (311120324), we get a palindrome (734141437).

The spelling of 423021113 in words is "four hundred twenty-three million, twenty-one thousand, one hundred thirteen".