23323406660 has 24 divisors (see below), whose sum is σ = 48982109400. Its totient is φ = 9328799744.

The previous prime is 23323406647. The next prime is 23323406693. The reversal of 23323406660 is 6660432332.

It can be written as a sum of positive squares in 4 ways, for example, as 593019904 + 22730386756 = 24352^2 + 150766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23323406660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512516 + ... + 556164.

It is an arithmetic number, because the mean of its divisors is an integer number (2040921225).

Almost surely, 2^23323406660 is an apocalyptic number.

23323406660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23323406660 is an abundant number, since it is smaller than the sum of its proper divisors (25658702740).

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

23323406660 is a wasteful number, since it uses less digits than its factorization.

23323406660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70375 (or 70373 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 23323406660 its reverse (6660432332), we get a palindrome (29983838992).

The spelling of 23323406660 in words is "twenty-three billion, three hundred twenty-three million, four hundred six thousand, six hundred sixty".