423421044431 has 8 divisors (see below), whose sum is σ = 527901561984. Its totient is φ = 329938476120.

The previous prime is 423421044379. The next prime is 423421044443. The reversal of 423421044431 is 134440124324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423421044431 - 2¹⁰ = 423421043407 is a prime.

It is a super-2 number, since 2×423421044431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423421044031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749487225 + ... + 2749487378.

It is an arithmetic number, because the mean of its divisors is an integer number (65987695248).

Almost surely, 2^423421044431 is an apocalyptic number.

423421044431 is a deficient number, since it is larger than the sum of its proper divisors (104480517553).

423421044431 is a wasteful number, since it uses less digits than its factorization.

423421044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498974621.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 423421044431 its reverse (134440124324), we get a palindrome (557861168755).

The spelling of 423421044431 in words is "four hundred twenty-three billion, four hundred twenty-one million, forty-four thousand, four hundred thirty-one".