2023042340 has 96 divisors (see below), whose sum is σ = 4793209344. Its totient is φ = 710760960.

The previous prime is 2023042331. The next prime is 2023042393. The reversal of 2023042340 is 432403202.

2023042340 = 243² + 244² + ... + 1825².

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1277189 + ... + 1278771.

It is an arithmetic number, because the mean of its divisors is an integer number (49929264).

Almost surely, 2^2023042340 is an apocalyptic number.

2023042340 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 2023042340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396604672).

2023042340 is an abundant number, since it is smaller than the sum of its proper divisors (2770167004).

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

2023042340 is a wasteful number, since it uses less digits than its factorization.

2023042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2023042340 is about 44978.2429625702. The cubic root of 2023042340 is about 1264.7411740614.

Adding to 2023042340 its reverse (432403202), we get a palindrome (2455445542).

The spelling of 2023042340 in words is "two billion, twenty-three million, forty-two thousand, three hundred forty".