423563141 has 4 divisors (see below), whose sum is σ = 424717632. Its totient is φ = 422408652.

The previous prime is 423563131. The next prime is 423563197. The reversal of 423563141 is 141365324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423563141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423563111) 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, 576695 + ... + 577428.

It is an arithmetic number, because the mean of its divisors is an integer number (106179408).

Almost surely, 2^423563141 is an apocalyptic number.

It is an amenable number.

423563141 is a deficient number, since it is larger than the sum of its proper divisors (1154491).

423563141 is a wasteful number, since it uses less digits than its factorization.

423563141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154490.

The product of its digits is 8640, while the sum is 29.

The square root of 423563141 is about 20580.6496739049. The cubic root of 423563141 is about 750.9990484638. Note that the first 3 decimals are identical.

It can be divided in two parts, 4235 and 63141, that added together give a palindrome (67376).

The spelling of 423563141 in words is "four hundred twenty-three million, five hundred sixty-three thousand, one hundred forty-one".