123012310110 has 32 divisors (see below), whose sum is σ = 303208723872. Its totient is φ = 31916707200.

The previous prime is 123012310103. The next prime is 123012310121. The reversal of 123012310110 is 11013210321.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123012310110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55409841 + ... + 55412060.

It is an arithmetic number, because the mean of its divisors is an integer number (9475272621).

Almost surely, 2^123012310110 is an apocalyptic number.

123012310110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012310110 is an abundant number, since it is smaller than the sum of its proper divisors (180196413762).

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

123012310110 is a wasteful number, since it uses less digits than its factorization.

123012310110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110821948.

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

Adding to 123012310110 its reverse (11013210321), we get a palindrome (134025520431).

The spelling of 123012310110 in words is "one hundred twenty-three billion, twelve million, three hundred ten thousand, one hundred ten".