123930863090 has 32 divisors (see below), whose sum is σ = 236273345280. Its totient is φ = 46641371904.

The previous prime is 123930863071. The next prime is 123930863099. The reversal of 123930863090 is 90368039321.

It is not an unprimeable number, because it can be changed into a prime (123930863099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422471 + ... + 652949.

It is an arithmetic number, because the mean of its divisors is an integer number (7383542040).

Almost surely, 2^123930863090 is an apocalyptic number.

123930863090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123930863090 is a deficient number, since it is larger than the sum of its proper divisors (112342482190).

123930863090 is a wasteful number, since it uses less digits than its factorization.

123930863090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233666.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 123930863090 in words is "one hundred twenty-three billion, nine hundred thirty million, eight hundred sixty-three thousand, ninety".