23161400000 has 84 divisors (see below), whose sum is σ = 57447948096. Its totient is φ = 9264480000.

The previous prime is 23161399997. The next prime is 23161400027. The reversal of 23161400000 is 416132.

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, 142097 + ... + 257903.

It is an arithmetic number, because the mean of its divisors is an integer number (683904144).

Almost surely, 2^23161400000 is an apocalyptic number.

23161400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23161400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28723974048).

23161400000 is an abundant number, since it is smaller than the sum of its proper divisors (34286548096).

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

23161400000 is an frugal number, since it uses more digits than its factorization.

23161400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115844 (or 115814 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23161400000 its reverse (416132), we get a palindrome (23161816132).

The spelling of 23161400000 in words is "twenty-three billion, one hundred sixty-one million, four hundred thousand".