423402131403 has 6 divisors (see below), whose sum is σ = 611580856484. Its totient is φ = 282268087596.

The previous prime is 423402131377. The next prime is 423402131437. The reversal of 423402131403 is 304131204324.

423402131403 is a `hidden beast` number, since 4 + 2 + 3 + 40 + 213 + 1 + 403 = 666.

It is not a de Polignac number, because 423402131403 - 2¹⁸ = 423401869259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423402131443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23522340625 + ... + 23522340642.

Almost surely, 2^423402131403 is an apocalyptic number.

423402131403 is a deficient number, since it is larger than the sum of its proper divisors (188178725081).

423402131403 is a wasteful number, since it uses less digits than its factorization.

423402131403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47044681273 (or 47044681270 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 423402131403 its reverse (304131204324), we get a palindrome (727533335727).

The spelling of 423402131403 in words is "four hundred twenty-three billion, four hundred two million, one hundred thirty-one thousand, four hundred three".