63923113 has 2 divisors, whose sum is σ = 63923114. Its totient is φ = 63923112.

The previous prime is 63923099. The next prime is 63923117. The reversal of 63923113 is 31132936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62773929 + 1149184 = 7923^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 63923113 - 2²¹ = 61825961 is a prime.

It is a super-2 number, since 2×63923113² = 8172328751221538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63923117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31961556 + 31961557.

It is an arithmetic number, because the mean of its divisors is an integer number (31961557).

Almost surely, 2^63923113 is an apocalyptic number.

It is an amenable number.

63923113 is a deficient number, since it is larger than the sum of its proper divisors (1).

63923113 is an equidigital number, since it uses as much as digits as its factorization.

63923113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 28.

The square root of 63923113 is about 7995.1931183681. The cubic root of 63923113 is about 399.8397545621.

The spelling of 63923113 in words is "sixty-three million, nine hundred twenty-three thousand, one hundred thirteen".