23666313412 has 36 divisors (see below), whose sum is σ = 48186637884. Its totient is φ = 10140856320.

The previous prime is 23666313389. The next prime is 23666313449. The reversal of 23666313412 is 21431366632.

It can be written as a sum of positive squares in 2 ways, for example, as 5455890496 + 18210422916 = 73864^2 + 134946^2 .

It is a super-2 number, since 2×23666313412² (a number of 22 digits) contains 22 as substring.

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, 2020212 + ... + 2031892.

It is an arithmetic number, because the mean of its divisors is an integer number (1338517719).

Almost surely, 2^23666313412 is an apocalyptic number.

It is an amenable number.

23666313412 is an abundant number, since it is smaller than the sum of its proper divisors (24520324472).

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

23666313412 is a wasteful number, since it uses less digits than its factorization.

23666313412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22036 (or 22027 counting only the distinct ones).

The product of its digits is 93312, while the sum is 37.

The spelling of 23666313412 in words is "twenty-three billion, six hundred sixty-six million, three hundred thirteen thousand, four hundred twelve".