63823453 has 4 divisors (see below), whose sum is σ = 63967968. Its totient is φ = 63678940.

The previous prime is 63823439. The next prime is 63823477. The reversal of 63823453 is 35432836.

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 not a de Polignac number, because 63823453 - 2¹³ = 63815261 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 (63823433) 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, 71593 + ... + 72478.

It is an arithmetic number, because the mean of its divisors is an integer number (15991992).

Almost surely, 2^63823453 is an apocalyptic number.

It is an amenable number.

63823453 is a deficient number, since it is larger than the sum of its proper divisors (144515).

63823453 is a wasteful number, since it uses less digits than its factorization.

63823453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144514.

The product of its digits is 51840, while the sum is 34.

The square root of 63823453 is about 7988.9581924053. The cubic root of 63823453 is about 399.6318550271.

The spelling of 63823453 in words is "sixty-three million, eight hundred twenty-three thousand, four hundred fifty-three".