423041431 has 4 divisors (see below), whose sum is σ = 423223272. Its totient is φ = 422859592.

The previous prime is 423041383. The next prime is 423041459. The reversal of 423041431 is 134140324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423041431 - 2¹⁷ = 422910359 is a prime.

It is a super-2 number, since 2×423041431² = 357928104685055522, which 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 (423341431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87385 + ... + 92098.

It is an arithmetic number, because the mean of its divisors is an integer number (105805818).

Almost surely, 2^423041431 is an apocalyptic number.

423041431 is a deficient number, since it is larger than the sum of its proper divisors (181841).

423041431 is a wasteful number, since it uses less digits than its factorization.

423041431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181840.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 423041431 is about 20567.9709986182. The cubic root of 423041431 is about 750.6905823033.

Adding to 423041431 its reverse (134140324), we get a palindrome (557181755).

The spelling of 423041431 in words is "four hundred twenty-three million, forty-one thousand, four hundred thirty-one".