2023145740 has 48 divisors (see below), whose sum is σ = 5296967424. Its totient is φ = 630590400.

The previous prime is 2023145737. The next prime is 2023145749. The reversal of 2023145740 is 475413202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2023145699 and 2023145708.

It is not an unprimeable number, because it can be changed into a prime (2023145749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655326 + ... + 658405.

It is an arithmetic number, because the mean of its divisors is an integer number (110353488).

Almost surely, 2^2023145740 is an apocalyptic number.

2023145740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023145740 is an abundant number, since it is smaller than the sum of its proper divisors (3273821684).

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

2023145740 is a wasteful number, since it uses less digits than its factorization.

2023145740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313758 (or 1313756 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2023145740 is about 44979.3923925168. The cubic root of 2023145740 is about 1264.7627211486.

Adding to 2023145740 its reverse (475413202), we get a palindrome (2498558942).

The spelling of 2023145740 in words is "two billion, twenty-three million, one hundred forty-five thousand, seven hundred forty".