63432623 has 2 divisors, whose sum is σ = 63432624. Its totient is φ = 63432622.

The previous prime is 63432613. The next prime is 63432671. The reversal of 63432623 is 32623436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63432623 - 2¹² = 63428527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63432613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31716311 + 31716312.

It is an arithmetic number, because the mean of its divisors is an integer number (31716312).

Almost surely, 2^63432623 is an apocalyptic number.

63432623 is a deficient number, since it is larger than the sum of its proper divisors (1).

63432623 is an equidigital number, since it uses as much as digits as its factorization.

63432623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 29.

The square root of 63432623 is about 7964.4599942495. The cubic root of 63432623 is about 398.8144542580.

The spelling of 63432623 in words is "sixty-three million, four hundred thirty-two thousand, six hundred twenty-three".