23166142120 has 48 divisors (see below), whose sum is σ = 57293136180. Its totient is φ = 8424049920.

The previous prime is 23166142099. The next prime is 23166142121. The reversal of 23166142120 is 2124166132.

It can be written as a sum of positive squares in 2 ways, for example, as 23063281956 + 102860164 = 151866^2 + 10142^2 .

It is not an unprimeable number, because it can be changed into a prime (23166142121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2388357 + ... + 2398036.

Almost surely, 2^23166142120 is an apocalyptic number.

23166142120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23166142120 is an abundant number, since it is smaller than the sum of its proper divisors (34126994060).

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

23166142120 is a wasteful number, since it uses less digits than its factorization.

23166142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786426 (or 4786411 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 23166142120 in words is "twenty-three billion, one hundred sixty-six million, one hundred forty-two thousand, one hundred twenty".