403203323423 has 16 divisors (see below), whose sum is σ = 411329318400. Its totient is φ = 395159057280.

The previous prime is 403203323399. The next prime is 403203323443. The reversal of 403203323423 is 324323302304.

It is a cyclic number.

It is not a de Polignac number, because 403203323423 - 2¹⁰ = 403203322399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403203323443) 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, 10423943 + ... + 10462551.

It is an arithmetic number, because the mean of its divisors is an integer number (25708082400).

Almost surely, 2^403203323423 is an apocalyptic number.

403203323423 is a deficient number, since it is larger than the sum of its proper divisors (8125994977).

403203323423 is a wasteful number, since it uses less digits than its factorization.

403203323423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39662.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 403203323423 its reverse (324323302304), we get a palindrome (727526625727).

The spelling of 403203323423 in words is "four hundred three billion, two hundred three million, three hundred twenty-three thousand, four hundred twenty-three".