20231452653 has 4 divisors (see below), whose sum is σ = 26975270208. Its totient is φ = 13487635100.

The previous prime is 20231452639. The next prime is 20231452663. The reversal of 20231452653 is 35625413202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20231452653 - 2¹³ = 20231444461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231452663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371908773 + ... + 3371908778.

It is an arithmetic number, because the mean of its divisors is an integer number (6743817552).

Almost surely, 2^20231452653 is an apocalyptic number.

It is an amenable number.

20231452653 is a deficient number, since it is larger than the sum of its proper divisors (6743817555).

20231452653 is an equidigital number, since it uses as much as digits as its factorization.

20231452653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743817554.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 20231452653 its reverse (35625413202), we get a palindrome (55856865855).

The spelling of 20231452653 in words is "twenty billion, two hundred thirty-one million, four hundred fifty-two thousand, six hundred fifty-three".