623463 has 4 divisors (see below), whose sum is σ = 831288. Its totient is φ = 415640.

The previous prime is 623437. The next prime is 623477. The reversal of 623463 is 364326.

623463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 623463 - 2⁵ = 623431 is a prime.

It is a super-2 number, since 2×623463² = 777412224738, which contains 22 as substring.

It is a D-number.

623463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623423) 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, 103908 + ... + 103913.

It is an arithmetic number, because the mean of its divisors is an integer number (207822).

2⁶²³⁴⁶³ is an apocalyptic number.

623463 is a deficient number, since it is larger than the sum of its proper divisors (207825).

623463 is a wasteful number, since it uses less digits than its factorization.

623463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207824.

The product of its digits is 2592, while the sum is 24.

The square root of 623463 is about 789.5967325160. The cubic root of 623463 is about 85.4286535891.

Adding to 623463 its reverse (364326), we get a palindrome (987789).

The spelling of 623463 in words is "six hundred twenty-three thousand, four hundred sixty-three".