423410311503 has 16 divisors (see below), whose sum is σ = 660288985600. Its totient is φ = 267417038520.

The previous prime is 423410311439. The next prime is 423410311561. The reversal of 423410311503 is 305113014324.

It is a happy number.

423410311503 is a `hidden beast` number, since 4 + 2 + 341 + 0 + 311 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 423410311503 - 2⁶ = 423410311439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423410311703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412680103 + ... + 412681128.

It is an arithmetic number, because the mean of its divisors is an integer number (41268061600).

Almost surely, 2^423410311503 is an apocalyptic number.

423410311503 is a deficient number, since it is larger than the sum of its proper divisors (236878674097).

423410311503 is a wasteful number, since it uses less digits than its factorization.

423410311503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825361259 (or 825361253 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 423410311503 its reverse (305113014324), we get a palindrome (728523325827).

The spelling of 423410311503 in words is "four hundred twenty-three billion, four hundred ten million, three hundred eleven thousand, five hundred three".