404203623 has 8 divisors (see below), whose sum is σ = 541086336. Its totient is φ = 268395000.

The previous prime is 404203573. The next prime is 404203661. The reversal of 404203623 is 326302404.

It is a happy number.

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

It is not a de Polignac number, because 404203623 - 2¹³ = 404195431 is a prime.

It is a super-2 number, since 2×404203623² = 326761137692652258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404203593 and 404203602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404203123) 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, 267643 + ... + 269148.

It is an arithmetic number, because the mean of its divisors is an integer number (67635792).

Almost surely, 2^404203623 is an apocalyptic number.

404203623 is a deficient number, since it is larger than the sum of its proper divisors (136882713).

404203623 is a wasteful number, since it uses less digits than its factorization.

404203623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537045.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 404203623 is about 20104.8159155959. The cubic root of 404203623 is about 739.3783572828.

The spelling of 404203623 in words is "four hundred four million, two hundred three thousand, six hundred twenty-three".