20023312132323 has 64 divisors (see below), whose sum is σ = 30428944465920. Its totient is φ = 13007328346656.

The previous prime is 20023312132277. The next prime is 20023312132337. The reversal of 20023312132323 is 32323121332002.

20023312132323 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 3 + 312 + 1 + 323 + 23 = 666.

It is not a de Polignac number, because 20023312132323 - 2¹⁰ = 20023312131299 is a prime.

It is a super-3 number, since 3×20023312132323³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20023312132123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 343972686 + ... + 344030892.

It is an arithmetic number, because the mean of its divisors is an integer number (475452257280).

Almost surely, 2^{20023312132323} is an apocalyptic number.

20023312132323 is a deficient number, since it is larger than the sum of its proper divisors (10405632333597).

20023312132323 is a wasteful number, since it uses less digits than its factorization.

20023312132323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59453 (or 59447 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20023312132323 its reverse (32323121332002), we get a palindrome (52346433464325).

The spelling of 20023312132323 in words is "twenty trillion, twenty-three billion, three hundred twelve million, one hundred thirty-two thousand, three hundred twenty-three".