2303443123040 has 96 divisors (see below), whose sum is σ = 5502505387680. Its totient is φ = 911129001984.

The previous prime is 2303443123027. The next prime is 2303443123043. The reversal of 2303443123040 is 403213443032.

It is a junction number, because it is equal to n+sod(n) for n = 2303443122994 and 2303443123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303443123043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19013699 + ... + 19134461.

It is an arithmetic number, because the mean of its divisors is an integer number (57317764455).

Almost surely, 2^{2303443123040} is an apocalyptic number.

2303443123040 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 2303443123040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751252693840).

2303443123040 is an abundant number, since it is smaller than the sum of its proper divisors (3199062264640).

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

2303443123040 is a wasteful number, since it uses less digits than its factorization.

2303443123040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122104 (or 122096 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 2303443123040 its reverse (403213443032), we get a palindrome (2706656566072).

The spelling of 2303443123040 in words is "two trillion, three hundred three billion, four hundred forty-three million, one hundred twenty-three thousand, forty".