23720640050 has 24 divisors (see below), whose sum is σ = 44246842500. Its totient is φ = 9461062080.

The previous prime is 23720640029. The next prime is 23720640061. The reversal of 23720640050 is 5004602732.

It can be written as a sum of positive squares in 6 ways, for example, as 15904488769 + 7816151281 = 126113^2 + 88409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23720639995 and 23720640022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662225 + ... + 697124.

Almost surely, 2^23720640050 is an apocalyptic number.

23720640050 is a deficient number, since it is larger than the sum of its proper divisors (20526202450).

23720640050 is a wasteful number, since it uses less digits than its factorization.

23720640050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359710 (or 1359705 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 23720640050 in words is "twenty-three billion, seven hundred twenty million, six hundred forty thousand, fifty".