2523203453 has 2 divisors, whose sum is σ = 2523203454. Its totient is φ = 2523203452.

The previous prime is 2523203303. The next prime is 2523203497. The reversal of 2523203453 is 3543023252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2309955844 + 213247609 = 48062^2 + 14603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2523203453 is a prime.

It is a super-2 number, since 2×2523203453² = 12733111330462246418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523203653) 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 as a sum of consecutive naturals, namely, 1261601726 + 1261601727.

It is an arithmetic number, because the mean of its divisors is an integer number (1261601727).

Almost surely, 2^2523203453 is an apocalyptic number.

It is an amenable number.

2523203453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523203453 is an equidigital number, since it uses as much as digits as its factorization.

2523203453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 2523203453 is about 50231.4986139175. The cubic root of 2523203453 is about 1361.3948083704.

The spelling of 2523203453 in words is "two billion, five hundred twenty-three million, two hundred three thousand, four hundred fifty-three".