123401520110 has 48 divisors (see below), whose sum is σ = 243936037296. Its totient is φ = 44575200000.

The previous prime is 123401520097. The next prime is 123401520119. The reversal of 123401520110 is 11025104321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123401520119) 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 23 ways as a sum of consecutive naturals, for example, 2483510 + ... + 2532710.

It is an arithmetic number, because the mean of its divisors is an integer number (5082000777).

Almost surely, 2^123401520110 is an apocalyptic number.

123401520110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123401520110 is a deficient number, since it is larger than the sum of its proper divisors (120534517186).

123401520110 is a wasteful number, since it uses less digits than its factorization.

123401520110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49521 (or 49370 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 123401520110 its reverse (11025104321), we get a palindrome (134426624431).

The spelling of 123401520110 in words is "one hundred twenty-three billion, four hundred one million, five hundred twenty thousand, one hundred ten".