23722605706 has 4 divisors (see below), whose sum is σ = 35583908562. Its totient is φ = 11861302852.

The previous prime is 23722605703. The next prime is 23722605707. The reversal of 23722605706 is 60750622732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14214600625 + 9508005081 = 119225^2 + 97509^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23722605701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930651425 + ... + 5930651428.

Almost surely, 2^23722605706 is an apocalyptic number.

23722605706 is a deficient number, since it is larger than the sum of its proper divisors (11861302856).

23722605706 is a wasteful number, since it uses less digits than its factorization.

23722605706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861302855.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 23722605706 in words is "twenty-three billion, seven hundred twenty-two million, six hundred five thousand, seven hundred six".