423512263 has 4 divisors (see below), whose sum is σ = 423691200. Its totient is φ = 423333328.

The previous prime is 423512239. The next prime is 423512303. The reversal of 423512263 is 362215324.

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 423512263 - 2²⁵ = 389957831 is a prime.

It is a super-2 number, since 2×423512263² = 358725273822762338, 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 (423512213) 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, 85870 + ... + 90667.

It is an arithmetic number, because the mean of its divisors is an integer number (105922800).

Almost surely, 2^423512263 is an apocalyptic number.

423512263 is a deficient number, since it is larger than the sum of its proper divisors (178937).

423512263 is a wasteful number, since it uses less digits than its factorization.

423512263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178936.

The product of its digits is 8640, while the sum is 28.

The square root of 423512263 is about 20579.4135727916. The cubic root of 423512263 is about 750.9689774969.

Adding to 423512263 its reverse (362215324), we get a palindrome (785727587).

The spelling of 423512263 in words is "four hundred twenty-three million, five hundred twelve thousand, two hundred sixty-three".