23822981749 has 24 divisors (see below), whose sum is σ = 28123088640. Its totient is φ = 20118230496.

The previous prime is 23822981747. The next prime is 23822981753. The reversal of 23822981749 is 94718922832.

It is not a de Polignac number, because 23822981749 - 2¹ = 23822981747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23822981749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23822981747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1878859 + ... + 1891495.

It is an arithmetic number, because the mean of its divisors is an integer number (1171795360).

Almost surely, 2^23822981749 is an apocalyptic number.

It is an amenable number.

23822981749 is a deficient number, since it is larger than the sum of its proper divisors (4300106891).

23822981749 is a wasteful number, since it uses less digits than its factorization.

23822981749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217 (or 13210 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The spelling of 23822981749 in words is "twenty-three billion, eight hundred twenty-two million, nine hundred eighty-one thousand, seven hundred forty-nine".