243030101453 has 2 divisors, whose sum is σ = 243030101454. Its totient is φ = 243030101452.

The previous prime is 243030101429. The next prime is 243030101497. The reversal of 243030101453 is 354101030342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240294079204 + 2736022249 = 490198^2 + 52307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243030101453 is a prime.

It is a super-2 number, since 2×243030101453² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243030109453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121515050726 + 121515050727.

It is an arithmetic number, because the mean of its divisors is an integer number (121515050727).

Almost surely, 2^243030101453 is an apocalyptic number.

It is an amenable number.

243030101453 is a deficient number, since it is larger than the sum of its proper divisors (1).

243030101453 is an equidigital number, since it uses as much as digits as its factorization.

243030101453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 243030101453 its reverse (354101030342), we get a palindrome (597131131795).

The spelling of 243030101453 in words is "two hundred forty-three billion, thirty million, one hundred one thousand, four hundred fifty-three".