623234463 has 4 divisors (see below), whose sum is σ = 830979288. Its totient is φ = 415489640.

The previous prime is 623234459. The next prime is 623234471. The reversal of 623234463 is 364432326.

It is a happy number.

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 623234463 - 2² = 623234459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623234413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103872408 + ... + 103872413.

It is an arithmetic number, because the mean of its divisors is an integer number (207744822).

Almost surely, 2^623234463 is an apocalyptic number.

623234463 is a deficient number, since it is larger than the sum of its proper divisors (207744825).

623234463 is a wasteful number, since it uses less digits than its factorization.

623234463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207744824.

The product of its digits is 62208, while the sum is 33.

The square root of 623234463 is about 24964.6642877488. The cubic root of 623234463 is about 854.1821405258.

Adding to 623234463 its reverse (364432326), we get a palindrome (987666789).

The spelling of 623234463 in words is "six hundred twenty-three million, two hundred thirty-four thousand, four hundred sixty-three".