23512166446 has 16 divisors (see below), whose sum is σ = 36904875264. Its totient is φ = 11222531424.

The previous prime is 23512166437. The next prime is 23512166477. The reversal of 23512166446 is 64466121532.

It is a junction number, because it is equal to n+sod(n) for n = 23512166399 and 23512166408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2993550 + ... + 3001393.

It is an arithmetic number, because the mean of its divisors is an integer number (2306554704).

Almost surely, 2^23512166446 is an apocalyptic number.

23512166446 is a deficient number, since it is larger than the sum of its proper divisors (13392708818).

23512166446 is a wasteful number, since it uses less digits than its factorization.

23512166446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995035.

The product of its digits is 207360, while the sum is 40.

Adding to 23512166446 its reverse (64466121532), we get a palindrome (87978287978).

The spelling of 23512166446 in words is "twenty-three billion, five hundred twelve million, one hundred sixty-six thousand, four hundred forty-six".