123630655 has 8 divisors (see below), whose sum is σ = 150235200. Its totient is φ = 97652256.

The previous prime is 123630643. The next prime is 123630673. The reversal of 123630655 is 556036321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123630655 - 2⁷ = 123630527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156100 + ... + 156889.

It is an arithmetic number, because the mean of its divisors is an integer number (18779400).

Almost surely, 2^123630655 is an apocalyptic number.

123630655 is a deficient number, since it is larger than the sum of its proper divisors (26604545).

123630655 is an equidigital number, since it uses as much as digits as its factorization.

123630655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313073.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 123630655 is about 11118.9322778763. The cubic root of 123630655 is about 498.1674987499.

Adding to 123630655 its reverse (556036321), we get a palindrome (679666976).

The spelling of 123630655 in words is "one hundred twenty-three million, six hundred thirty thousand, six hundred fifty-five".