403013423 has 8 divisors (see below), whose sum is σ = 416439936. Its totient is φ = 389613600.

The previous prime is 403013419. The next prime is 403013447. The reversal of 403013423 is 324310304.

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 403013423 - 2² = 403013419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403013395 and 403013404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403013453) 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, 26765 + ... + 39017.

It is an arithmetic number, because the mean of its divisors is an integer number (52054992).

Almost surely, 2^403013423 is an apocalyptic number.

403013423 is a deficient number, since it is larger than the sum of its proper divisors (13426513).

403013423 is a wasteful number, since it uses less digits than its factorization.

403013423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13345.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 403013423 is about 20075.1942207292. The cubic root of 403013423 is about 738.6519302786.

Adding to 403013423 its reverse (324310304), we get a palindrome (727323727).

The spelling of 403013423 in words is "four hundred three million, thirteen thousand, four hundred twenty-three".