403431432242423 has 64 divisors (see below), whose sum is σ = 470963513704320. Its totient is φ = 342375928012800.

The previous prime is 403431432242411. The next prime is 403431432242471. The reversal of 403431432242423 is 324242234134304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 403431432242423 - 2⁴ = 403431432242407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403431432242473) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2390181293 + ... + 2390350073.

It is an arithmetic number, because the mean of its divisors is an integer number (7358804901630).

Almost surely, 2^{403431432242423} is an apocalyptic number.

403431432242423 is a deficient number, since it is larger than the sum of its proper divisors (67532081461897).

403431432242423 is a wasteful number, since it uses less digits than its factorization.

403431432242423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170100.

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 403431432242423 its reverse (324242234134304), we get a palindrome (727673666376727).

The spelling of 403431432242423 in words is "four hundred three trillion, four hundred thirty-one billion, four hundred thirty-two million, two hundred forty-two thousand, four hundred twenty-three".