23940002 has 16 divisors (see below), whose sum is σ = 36562560. Its totient is φ = 11754288.

The previous prime is 23939989. The next prime is 23940011. The reversal of 23940002 is 20004932.

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 7 ways as a sum of consecutive naturals, for example, 43493 + ... + 44039.

It is an arithmetic number, because the mean of its divisors is an integer number (2285160).

Almost surely, 2^23940002 is an apocalyptic number.

23940002 is a deficient number, since it is larger than the sum of its proper divisors (12622558).

23940002 is a wasteful number, since it uses less digits than its factorization.

23940002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23940002 is about 4892.8521334698. The cubic root of 23940002 is about 288.2093465679.

Adding to 23940002 its reverse (20004932), we get a palindrome (43944934).

The spelling of 23940002 in words is "twenty-three million, nine hundred forty thousand, two".