23249662987 has 8 divisors (see below), whose sum is σ = 24493730960. Its totient is φ = 22007635200.

The previous prime is 23249662979. The next prime is 23249663039. The reversal of 23249662987 is 78926694232.

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

It is a cyclic number.

It is not a de Polignac number, because 23249662987 - 2³ = 23249662979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23249662957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486618 + ... + 532255.

It is an arithmetic number, because the mean of its divisors is an integer number (3061716370).

Almost surely, 2^23249662987 is an apocalyptic number.

23249662987 is a deficient number, since it is larger than the sum of its proper divisors (1244067973).

23249662987 is a wasteful number, since it uses less digits than its factorization.

23249662987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020093.

The product of its digits is 15676416, while the sum is 58.

The spelling of 23249662987 in words is "twenty-three billion, two hundred forty-nine million, six hundred sixty-two thousand, nine hundred eighty-seven".