63923371 has 4 divisors (see below), whose sum is σ = 66702672. Its totient is φ = 61144072.

The previous prime is 63923369. The next prime is 63923381. The reversal of 63923371 is 17332936.

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 63923371 - 2¹ = 63923369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63923311) 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, 1389616 + ... + 1389661.

It is an arithmetic number, because the mean of its divisors is an integer number (16675668).

Almost surely, 2^63923371 is an apocalyptic number.

63923371 is a deficient number, since it is larger than the sum of its proper divisors (2779301).

63923371 is a wasteful number, since it uses less digits than its factorization.

63923371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779300.

The product of its digits is 20412, while the sum is 34.

The square root of 63923371 is about 7995.2092530465. The cubic root of 63923371 is about 399.8402924923.

The spelling of 63923371 in words is "sixty-three million, nine hundred twenty-three thousand, three hundred seventy-one".