123113010210 has 32 divisors (see below), whose sum is σ = 300479215680. Its totient is φ = 32273692608.

The previous prime is 123113010197. The next prime is 123113010221. The reversal of 123113010210 is 12010311321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123113010210.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34775917 + ... + 34779456.

It is an arithmetic number, because the mean of its divisors is an integer number (9389975490).

Almost surely, 2^123113010210 is an apocalyptic number.

123113010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123113010210 is an abundant number, since it is smaller than the sum of its proper divisors (177366205470).

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

123113010210 is a wasteful number, since it uses less digits than its factorization.

123113010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69555442.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 123113010210 its reverse (12010311321), we get a palindrome (135123321531).

The spelling of 123113010210 in words is "one hundred twenty-three billion, one hundred thirteen million, ten thousand, two hundred ten".