23120331300040 has 128 divisors (see below), whose sum is σ = 57541534364160. Its totient is φ = 8305282335744.

The previous prime is 23120331300023. The next prime is 23120331300061. The reversal of 23120331300040 is 4000313302132.

It is a junction number, because it is equal to n+sod(n) for n = 23120331299984 and 23120331300020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248284129 + ... + 248377231.

It is an arithmetic number, because the mean of its divisors is an integer number (449543237220).

Almost surely, 2^{23120331300040} is an apocalyptic number.

23120331300040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23120331300040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28770767182080).

23120331300040 is an abundant number, since it is smaller than the sum of its proper divisors (34421203064120).

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

23120331300040 is a wasteful number, since it uses less digits than its factorization.

23120331300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106071 (or 106067 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23120331300040 its reverse (4000313302132), we get a palindrome (27120644602172).

The spelling of 23120331300040 in words is "twenty-three trillion, one hundred twenty billion, three hundred thirty-one million, three hundred thousand, forty".