403025040423 has 96 divisors (see below), whose sum is σ = 662001500160. Its totient is φ = 243885841920.

The previous prime is 403025040421. The next prime is 403025040443. The reversal of 403025040423 is 324040520304.

403025040423 is a `hidden beast` number, since 4 + 0 + 3 + 0 + 250 + 404 + 2 + 3 = 666.

It is not a de Polignac number, because 403025040423 - 2¹ = 403025040421 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403025040421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176223186 + ... + 176225472.

It is an arithmetic number, because the mean of its divisors is an integer number (6895848960).

Almost surely, 2^403025040423 is an apocalyptic number.

403025040423 is a deficient number, since it is larger than the sum of its proper divisors (258976459737).

403025040423 is a wasteful number, since it uses less digits than its factorization.

403025040423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819 (or 3807 counting only the distinct ones).

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

Adding to 403025040423 its reverse (324040520304), we get a palindrome (727065560727).

The spelling of 403025040423 in words is "four hundred three billion, twenty-five million, forty thousand, four hundred twenty-three".