123634664230 has 64 divisors (see below), whose sum is σ = 277614148608. Its totient is φ = 38513439360.

The previous prime is 123634664159. The next prime is 123634664239. The reversal of 123634664230 is 32466436321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123634664239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1327884 + ... + 1417936.

It is an arithmetic number, because the mean of its divisors is an integer number (4337721072).

Almost surely, 2^123634664230 is an apocalyptic number.

123634664230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123634664230 is an abundant number, since it is smaller than the sum of its proper divisors (153979484378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123634664230 is a wasteful number, since it uses less digits than its factorization.

123634664230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91861.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 123634664230 in words is "one hundred twenty-three billion, six hundred thirty-four million, six hundred sixty-four thousand, two hundred thirty".