403354423 has 8 divisors (see below), whose sum is σ = 425226240. Its totient is φ = 382036440.

The previous prime is 403354411. The next prime is 403354429. The reversal of 403354423 is 324453304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403354423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403354391 and 403354400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403354429) 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, 136963 + ... + 139876.

It is an arithmetic number, because the mean of its divisors is an integer number (53153280).

Almost surely, 2^403354423 is an apocalyptic number.

403354423 is a deficient number, since it is larger than the sum of its proper divisors (21871817).

403354423 is a wasteful number, since it uses less digits than its factorization.

403354423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276917.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 403354423 is about 20083.6854934546. The cubic root of 403354423 is about 738.8602023331.

The spelling of 403354423 in words is "four hundred three million, three hundred fifty-four thousand, four hundred twenty-three".