23642463 has 16 divisors (see below), whose sum is σ = 34080480. Its totient is φ = 14492544.

The previous prime is 23642449. The next prime is 23642471. The reversal of 23642463 is 36424632.

It is a happy number.

It is not a de Polignac number, because 23642463 - 2⁵ = 23642431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23642463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10393 + ... + 12461.

It is an arithmetic number, because the mean of its divisors is an integer number (2130030).

Almost surely, 2^23642463 is an apocalyptic number.

23642463 is a deficient number, since it is larger than the sum of its proper divisors (10438017).

23642463 is a wasteful number, since it uses less digits than its factorization.

23642463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378.

The product of its digits is 20736, while the sum is 30.

The square root of 23642463 is about 4862.3515915655. The cubic root of 23642463 is about 287.0103595106.

The spelling of 23642463 in words is "twenty-three million, six hundred forty-two thousand, four hundred sixty-three".