202103422453 has 2 divisors, whose sum is σ = 202103422454. Its totient is φ = 202103422452.

The previous prime is 202103422393. The next prime is 202103422537. The reversal of 202103422453 is 354224301202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162717844689 + 39385577764 = 403383^2 + 198458^2 .

It is a cyclic number.

It is not a de Polignac number, because 202103422453 - 2¹⁷ = 202103291381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202103422853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051711226 + 101051711227.

It is an arithmetic number, because the mean of its divisors is an integer number (101051711227).

Almost surely, 2^202103422453 is an apocalyptic number.

It is an amenable number.

202103422453 is a deficient number, since it is larger than the sum of its proper divisors (1).

202103422453 is an equidigital number, since it uses as much as digits as its factorization.

202103422453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 202103422453 its reverse (354224301202), we get a palindrome (556327723655).

The spelling of 202103422453 in words is "two hundred two billion, one hundred three million, four hundred twenty-two thousand, four hundred fifty-three".