2043020423140 has 24 divisors (see below), whose sum is σ = 4291329583800. Its totient is φ = 817020227328.

The previous prime is 2043020423131. The next prime is 2043020423149. The reversal of 2043020423140 is 413240203402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2043020423131) and next prime (2043020423149).

It can be written as a sum of positive squares in 4 ways, for example, as 22591292416 + 2020429130724 = 150304^2 + 1421418^2 .

It is not an unprimeable number, because it can be changed into a prime (2043020423149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11657217 + ... + 11831176.

It is an arithmetic number, because the mean of its divisors is an integer number (178805399325).

Almost surely, 2^{2043020423140} is an apocalyptic number.

2043020423140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043020423140 is an abundant number, since it is smaller than the sum of its proper divisors (2248309160660).

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

2043020423140 is a wasteful number, since it uses less digits than its factorization.

2043020423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23492751 (or 23492749 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2043020423140 its reverse (413240203402), we get a palindrome (2456260626542).

The spelling of 2043020423140 in words is "two trillion, forty-three billion, twenty million, four hundred twenty-three thousand, one hundred forty".