414640423 has 2 divisors, whose sum is σ = 414640424. Its totient is φ = 414640422.

The previous prime is 414640403. The next prime is 414640483. The reversal of 414640423 is 324046414.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-414640423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 414640391 and 414640400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414640403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207320211 + 207320212.

It is an arithmetic number, because the mean of its divisors is an integer number (207320212).

Almost surely, 2^414640423 is an apocalyptic number.

414640423 is a deficient number, since it is larger than the sum of its proper divisors (1).

414640423 is an equidigital number, since it uses as much as digits as its factorization.

414640423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 414640423 is about 20362.7214045667. The cubic root of 414640423 is about 745.6881008005.

Adding to 414640423 its reverse (324046414), we get a palindrome (738686837).

It can be divided in two parts, 41 and 4640423, that added together give a palindrome (4640464).

The spelling of 414640423 in words is "four hundred fourteen million, six hundred forty thousand, four hundred twenty-three".