23735564722 has 8 divisors (see below), whose sum is σ = 35605793772. Its totient is φ = 11866966800.

The previous prime is 23735564719. The next prime is 23735564729. The reversal of 23735564722 is 22746553732.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22025824921 + 1709739801 = 148411^2 + 41349^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23735564729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370729 + ... + 430012.

Almost surely, 2^23735564722 is an apocalyptic number.

23735564722 is a deficient number, since it is larger than the sum of its proper divisors (11870229050).

23735564722 is a wasteful number, since it uses less digits than its factorization.

23735564722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815564.

The product of its digits is 2116800, while the sum is 46.

The spelling of 23735564722 in words is "twenty-three billion, seven hundred thirty-five million, five hundred sixty-four thousand, seven hundred twenty-two".