23745219736 has 32 divisors (see below), whose sum is σ = 50895072000. Its totient is φ = 10174031136.

The previous prime is 23745219731. The next prime is 23745219767. The reversal of 23745219736 is 63791254732.

It is a self number, because there is not a number n which added to its sum of digits gives 23745219736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23745219731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188725 + ... + 288283.

It is an arithmetic number, because the mean of its divisors is an integer number (1590471000).

Almost surely, 2^23745219736 is an apocalyptic number.

It is an amenable number.

23745219736 is an abundant number, since it is smaller than the sum of its proper divisors (27149852264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23745219736 is a wasteful number, since it uses less digits than its factorization.

23745219736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103831 (or 103827 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The spelling of 23745219736 in words is "twenty-three billion, seven hundred forty-five million, two hundred nineteen thousand, seven hundred thirty-six".