23663542 has 8 divisors (see below), whose sum is σ = 40566096. Its totient is φ = 10141512.

The previous prime is 23663533. The next prime is 23663551. The reversal of 23663542 is 24536632.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23663533) and next prime (23663551).

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 845113 + ... + 845140.

It is an arithmetic number, because the mean of its divisors is an integer number (5070762).

Almost surely, 2^23663542 is an apocalyptic number.

23663542 is a deficient number, since it is larger than the sum of its proper divisors (16902554).

23663542 is a wasteful number, since it uses less digits than its factorization.

23663542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690262.

The product of its digits is 25920, while the sum is 31.

The square root of 23663542 is about 4864.5186812263. The cubic root of 23663542 is about 287.0956311436.

The spelling of 23663542 in words is "twenty-three million, six hundred sixty-three thousand, five hundred forty-two".