23003121130320 has 80 divisors (see below), whose sum is σ = 71340242896512. Its totient is φ = 6131536181760.

The previous prime is 23003121130247. The next prime is 23003121130331. The reversal of 23003121130320 is 2303112130032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 19981516 + ... + 21101355.

Almost surely, 2^{23003121130320} is an apocalyptic number.

23003121130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003121130320 is an abundant number, since it is smaller than the sum of its proper divisors (48337121766192).

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

23003121130320 is a wasteful number, since it uses less digits than its factorization.

23003121130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41085220 (or 41085214 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23003121130320 its reverse (2303112130032), we get a palindrome (25306233260352).

The spelling of 23003121130320 in words is "twenty-three trillion, three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred twenty".