23738037646 has 16 divisors (see below), whose sum is σ = 35832545280. Its totient is φ = 11793904920.

The previous prime is 23738037643. The next prime is 23738037671. The reversal of 23738037646 is 64673083732.

It is a self number, because there is not a number n which added to its sum of digits gives 23738037646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23738037643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122115 + ... + 1143073.

It is an arithmetic number, because the mean of its divisors is an integer number (2239534080).

Almost surely, 2^23738037646 is an apocalyptic number.

23738037646 is a deficient number, since it is larger than the sum of its proper divisors (12094507634).

23738037646 is a wasteful number, since it uses less digits than its factorization.

23738037646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24519.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 23738037646 in words is "twenty-three billion, seven hundred thirty-eight million, thirty-seven thousand, six hundred forty-six".