23301021040 has 240 divisors, whose sum is σ = 62235838080. Its totient is φ = 8043532800.

The previous prime is 23301021001. The next prime is 23301021041. The reversal of 23301021040 is 4012010332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23301021041) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 49894887 + ... + 49895353.

It is an arithmetic number, because the mean of its divisors is an integer number (259315992).

Almost surely, 2^23301021040 is an apocalyptic number.

23301021040 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 23301021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31117919040).

23301021040 is an abundant number, since it is smaller than the sum of its proper divisors (38934817040).

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

23301021040 is a wasteful number, since it uses less digits than its factorization.

23301021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23301021040 its reverse (4012010332), we get a palindrome (27313031372).

The spelling of 23301021040 in words is "twenty-three billion, three hundred one million, twenty-one thousand, forty".