423254403 has 40 divisors (see below), whose sum is σ = 742825776. Its totient is φ = 236779200.

The previous prime is 423254401. The next prime is 423254407. The reversal of 423254403 is 304452324.

423254403 is a `hidden beast` number, since 4 + 2 + 3 + 254 + 403 = 666.

It is not a de Polignac number, because 423254403 - 2¹ = 423254401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (423254401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6688 + ... + 29853.

Almost surely, 2^423254403 is an apocalyptic number.

423254403 is a deficient number, since it is larger than the sum of its proper divisors (319571373).

423254403 is a wasteful number, since it uses less digits than its factorization.

423254403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36577 (or 36568 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 423254403 is about 20573.1476201382. The cubic root of 423254403 is about 750.8165347055.

The spelling of 423254403 in words is "four hundred twenty-three million, two hundred fifty-four thousand, four hundred three".