23120120331040 has 96 divisors (see below), whose sum is σ = 55157390660736. Its totient is φ = 9157297704960.

The previous prime is 23120120331019. The next prime is 23120120331079. The reversal of 23120120331040 is 4013302102132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168208584 + ... + 168345976.

It is an arithmetic number, because the mean of its divisors is an integer number (574556152716).

Almost surely, 2^{23120120331040} is an apocalyptic number.

23120120331040 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 23120120331040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27578695330368).

23120120331040 is an abundant number, since it is smaller than the sum of its proper divisors (32037270329696).

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

23120120331040 is a wasteful number, since it uses less digits than its factorization.

23120120331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147722 (or 147714 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23120120331040 its reverse (4013302102132), we get a palindrome (27133422433172).

The spelling of 23120120331040 in words is "twenty-three trillion, one hundred twenty billion, one hundred twenty million, three hundred thirty-one thousand, forty".