23145322215104 has 112 divisors (see below), whose sum is σ = 47205855962496. Its totient is φ = 11253365760000.

The previous prime is 23145322215053. The next prime is 23145322215133. The reversal of 23145322215104 is 40151222354132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835321759 + ... + 1835334369.

It is an arithmetic number, because the mean of its divisors is an integer number (421480856808).

Almost surely, 2^{23145322215104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23145322215104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23602927981248).

23145322215104 is an abundant number, since it is smaller than the sum of its proper divisors (24060533747392).

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

23145322215104 is a wasteful number, since it uses less digits than its factorization.

23145322215104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15574 (or 15564 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 23145322215104 its reverse (40151222354132), we get a palindrome (63296544569236).

The spelling of 23145322215104 in words is "twenty-three trillion, one hundred forty-five billion, three hundred twenty-two million, two hundred fifteen thousand, one hundred four".