20230440253 has 16 divisors (see below), whose sum is σ = 20814253056. Its totient is φ = 19653408000.

The previous prime is 20230440229. The next prime is 20230440271. The reversal of 20230440253 is 35204403202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20230440253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230440053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6104725 + ... + 6108037.

It is an arithmetic number, because the mean of its divisors is an integer number (1300890816).

Almost surely, 2^20230440253 is an apocalyptic number.

It is an amenable number.

20230440253 is a deficient number, since it is larger than the sum of its proper divisors (583812803).

20230440253 is a wasteful number, since it uses less digits than its factorization.

20230440253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20230440253 its reverse (35204403202), we get a palindrome (55434843455).

The spelling of 20230440253 in words is "twenty billion, two hundred thirty million, four hundred forty thousand, two hundred fifty-three".