403472423 has 4 divisors (see below), whose sum is σ = 403638048. Its totient is φ = 403306800.

The previous prime is 403472401. The next prime is 403472437. The reversal of 403472423 is 324274304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403472423 - 2⁶ = 403472359 is a prime.

It is a super-2 number, since 2×403472423² = 325579992242981858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403472473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79103 + ... + 84048.

It is an arithmetic number, because the mean of its divisors is an integer number (100909512).

Almost surely, 2^403472423 is an apocalyptic number.

403472423 is a deficient number, since it is larger than the sum of its proper divisors (165625).

403472423 is a wasteful number, since it uses less digits than its factorization.

403472423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165624.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 403472423 is about 20086.6229864554. The cubic root of 403472423 is about 738.9322456762.

The spelling of 403472423 in words is "four hundred three million, four hundred seventy-two thousand, four hundred twenty-three".