423013344503 has 8 divisors (see below), whose sum is σ = 450280321200. Its totient is φ = 396246679488.

The previous prime is 423013344499. The next prime is 423013344547. The reversal of 423013344503 is 305443310324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423013344503 - 2² = 423013344499 is a prime.

It is a super-2 number, since 2×423013344503² (a number of 24 digits) contains 22 as substring.

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 423013344503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423013344703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125076176 + ... + 125079557.

It is an arithmetic number, because the mean of its divisors is an integer number (56285040150).

Almost surely, 2^423013344503 is an apocalyptic number.

423013344503 is a deficient number, since it is larger than the sum of its proper divisors (27266976697).

423013344503 is a wasteful number, since it uses less digits than its factorization.

423013344503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250155841.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 423013344503 its reverse (305443310324), we get a palindrome (728456654827).

The spelling of 423013344503 in words is "four hundred twenty-three billion, thirteen million, three hundred forty-four thousand, five hundred three".