20223025453 has 4 divisors (see below), whose sum is σ = 20223460188. Its totient is φ = 20222590720.

The previous prime is 20223025423. The next prime is 20223025469. The reversal of 20223025453 is 35452032202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10222625449 + 10000400004 = 101107^2 + 100002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223025453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223025423) 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 3 ways as a sum of consecutive naturals, for example, 137908 + ... + 243853.

It is an arithmetic number, because the mean of its divisors is an integer number (5055865047).

Almost surely, 2^20223025453 is an apocalyptic number.

It is an amenable number.

20223025453 is a deficient number, since it is larger than the sum of its proper divisors (434735).

20223025453 is an equidigital number, since it uses as much as digits as its factorization.

20223025453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434734.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 20223025453 its reverse (35452032202), we get a palindrome (55675057655).

The spelling of 20223025453 in words is "twenty billion, two hundred twenty-three million, twenty-five thousand, four hundred fifty-three".