63461823 has 4 divisors (see below), whose sum is σ = 84615768. Its totient is φ = 42307880.

The previous prime is 63461819. The next prime is 63461861. The reversal of 63461823 is 32816436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63461823 - 2² = 63461819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63461803) 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, 10576968 + ... + 10576973.

It is an arithmetic number, because the mean of its divisors is an integer number (21153942).

Almost surely, 2^63461823 is an apocalyptic number.

63461823 is a deficient number, since it is larger than the sum of its proper divisors (21153945).

63461823 is a wasteful number, since it uses less digits than its factorization.

63461823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21153944.

The product of its digits is 20736, while the sum is 33.

The square root of 63461823 is about 7966.2929270772. The cubic root of 63461823 is about 398.8756404167.

The spelling of 63461823 in words is "sixty-three million, four hundred sixty-one thousand, eight hundred twenty-three".