423140263 has 8 divisors (see below), whose sum is σ = 520788128. Its totient is φ = 334792224.

The previous prime is 423140239. The next prime is 423140293. The reversal of 423140263 is 362041324.

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

It is not a de Polignac number, because 423140263 - 2²¹ = 421043111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423140293) 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, 2324856 + ... + 2325037.

It is an arithmetic number, because the mean of its divisors is an integer number (65098516).

Almost surely, 2^423140263 is an apocalyptic number.

423140263 is a deficient number, since it is larger than the sum of its proper divisors (97647865).

423140263 is a wasteful number, since it uses less digits than its factorization.

423140263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649913.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 423140263 is about 20570.3734287932. The cubic root of 423140263 is about 750.7490371569.

Adding to 423140263 its reverse (362041324), we get a palindrome (785181587).

The spelling of 423140263 in words is "four hundred twenty-three million, one hundred forty thousand, two hundred sixty-three".