61063623 has 12 divisors (see below), whose sum is σ = 89649768. Its totient is φ = 40041360.

The previous prime is 61063601. The next prime is 61063631. The reversal of 61063623 is 32636016.

61063623 is a `hidden beast` number, since 6 + 1 + 0 + 636 + 23 = 666.

It is not a de Polignac number, because 61063623 - 2⁵ = 61063591 is a prime.

It is a super-2 number, since 2×61063623² = 7457532107772258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61063693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55065 + ... + 56162.

It is an arithmetic number, because the mean of its divisors is an integer number (7470814).

Almost surely, 2^61063623 is an apocalyptic number.

61063623 is a deficient number, since it is larger than the sum of its proper divisors (28586145).

61063623 is a wasteful number, since it uses less digits than its factorization.

61063623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111294 (or 111291 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 61063623 is about 7814.3216596196. The cubic root of 61063623 is about 393.7865296419.

Adding to 61063623 its reverse (32636016), we get a palindrome (93699639).

The spelling of 61063623 in words is "sixty-one million, sixty-three thousand, six hundred twenty-three".