263231002444453 has 4 divisors (see below), whose sum is σ = 263276083971520. Its totient is φ = 263185920917388.

The previous prime is 263231002444321. The next prime is 263231002444471. The reversal of 263231002444453 is 354444200132362.

263231002444453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-263231002444453 is a prime.

It is a super-2 number, since 2×263231002444453² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263231002444483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22540754775 + ... + 22540766452.

It is an arithmetic number, because the mean of its divisors is an integer number (65819020992880).

Almost surely, 2^{263231002444453} is an apocalyptic number.

It is an amenable number.

263231002444453 is a deficient number, since it is larger than the sum of its proper divisors (45081527067).

263231002444453 is an equidigital number, since it uses as much as digits as its factorization.

263231002444453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45081527066.

The product of its (nonzero) digits is 1658880, while the sum is 43.

The spelling of 263231002444453 in words is "two hundred sixty-three trillion, two hundred thirty-one billion, two million, four hundred forty-four thousand, four hundred fifty-three".