104143032123 has 16 divisors (see below), whose sum is σ = 157409172480. Its totient is φ = 60714965664.

The previous prime is 104143032061. The next prime is 104143032139. The reversal of 104143032123 is 321230341401.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-104143032123 is a prime.

It is a super-2 number, since 2×104143032123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104143032093 and 104143032102.

It is not an unprimeable number, because it can be changed into a prime (104143032173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70271211 + ... + 70272692.

It is an arithmetic number, because the mean of its divisors is an integer number (9838073280).

Almost surely, 2^104143032123 is an apocalyptic number.

104143032123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104143032123 is a deficient number, since it is larger than the sum of its proper divisors (53266140357).

104143032123 is a wasteful number, since it uses less digits than its factorization.

104143032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140543938.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 104143032123 its reverse (321230341401), we get a palindrome (425373373524).

The spelling of 104143032123 in words is "one hundred four billion, one hundred forty-three million, thirty-two thousand, one hundred twenty-three".