23213031233140 has 96 divisors (see below), whose sum is σ = 56765752404480. Its totient is φ = 7808131508736.

The previous prime is 23213031233057. The next prime is 23213031233239. The reversal of 23213031233140 is 4133213031232.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 23213031233099 and 23213031233108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141484194 + ... + 141648166.

It is an arithmetic number, because the mean of its divisors is an integer number (591309920880).

Almost surely, 2^{23213031233140} is an apocalyptic number.

23213031233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213031233140 is an abundant number, since it is smaller than the sum of its proper divisors (33552721171340).

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

23213031233140 is a wasteful number, since it uses less digits than its factorization.

23213031233140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183121 (or 183119 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23213031233140 its reverse (4133213031232), we get a palindrome (27346244264372).

The spelling of 23213031233140 in words is "twenty-three trillion, two hundred thirteen billion, thirty-one million, two hundred thirty-three thousand, one hundred forty".