2023403240 has 32 divisors (see below), whose sum is σ = 4820462280. Its totient is φ = 761751552.

The previous prime is 2023403203. The next prime is 2023403267. The reversal of 2023403240 is 423043202.

It can be written as a sum of positive squares in 4 ways, for example, as 1790474596 + 232928644 = 42314^2 + 15262^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487117 + ... + 1488476.

Almost surely, 2^2023403240 is an apocalyptic number.

2023403240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023403240 is an abundant number, since it is smaller than the sum of its proper divisors (2797059040).

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

2023403240 is a wasteful number, since it uses less digits than its factorization.

2023403240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975621 (or 2975617 counting only the distinct ones).

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

The square root of 2023403240 is about 44982.2547233906. The cubic root of 2023403240 is about 1264.8163772905.

Adding to 2023403240 its reverse (423043202), we get a palindrome (2446446442).

The spelling of 2023403240 in words is "two billion, twenty-three million, four hundred three thousand, two hundred forty".