123402032110 has 32 divisors (see below), whose sum is σ = 253930479552. Its totient is φ = 42296789760.

The previous prime is 123402032099. The next prime is 123402032129. The reversal of 123402032110 is 11230204321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 19351 + ... + 497170.

It is an arithmetic number, because the mean of its divisors is an integer number (7935327486).

Almost surely, 2^123402032110 is an apocalyptic number.

123402032110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123402032110 is an abundant number, since it is smaller than the sum of its proper divisors (130528447442).

123402032110 is a wasteful number, since it uses less digits than its factorization.

123402032110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519948.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123402032110 its reverse (11230204321), we get a palindrome (134632236431).

The spelling of 123402032110 in words is "one hundred twenty-three billion, four hundred two million, thirty-two thousand, one hundred ten".