423034031403 has 20 divisors (see below), whose sum is σ = 639938972640. Its totient is φ = 278452775952.

The previous prime is 423034031401. The next prime is 423034031423. The reversal of 423034031403 is 304130430324.

423034031403 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 340 + 314 + 0 + 3 = 666.

It is not a de Polignac number, because 423034031403 - 2¹ = 423034031401 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 (423034031401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33048300 + ... + 33061097.

It is an arithmetic number, because the mean of its divisors is an integer number (31996948632).

Almost surely, 2^423034031403 is an apocalyptic number.

423034031403 is a deficient number, since it is larger than the sum of its proper divisors (216904941237).

423034031403 is an equidigital number, since it uses as much as digits as its factorization.

423034031403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66109488 (or 66109479 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423034031403 its reverse (304130430324), we get a palindrome (727164461727).

The spelling of 423034031403 in words is "four hundred twenty-three billion, thirty-four million, thirty-one thousand, four hundred three".