23130345121320 has 64 divisors (see below), whose sum is σ = 69398078685120. Its totient is φ = 6167465959424.

The previous prime is 23130345121283. The next prime is 23130345121379. The reversal of 23130345121320 is 2312154303132.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8594622 + ... + 10960301.

It is an arithmetic number, because the mean of its divisors is an integer number (1084344979455).

Almost surely, 2^{23130345121320} is an apocalyptic number.

23130345121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130345121320 is an abundant number, since it is smaller than the sum of its proper divisors (46267733563800).

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

23130345121320 is a wasteful number, since it uses less digits than its factorization.

23130345121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19564794 (or 19564790 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 23130345121320 its reverse (2312154303132), we get a palindrome (25442499424452).

The spelling of 23130345121320 in words is "twenty-three trillion, one hundred thirty billion, three hundred forty-five million, one hundred twenty-one thousand, three hundred twenty".