140034123 has 16 divisors (see below), whose sum is σ = 218377600. Its totient is φ = 88442280.

The previous prime is 140034121. The next prime is 140034173. The reversal of 140034123 is 321430041.

It is not a de Polignac number, because 140034123 - 2¹ = 140034121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140034096 and 140034105.

It is not an unprimeable number, because it can be changed into a prime (140034121) 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, 135973 + ... + 136998.

It is an arithmetic number, because the mean of its divisors is an integer number (13648600).

Almost surely, 2^140034123 is an apocalyptic number.

140034123 is a deficient number, since it is larger than the sum of its proper divisors (78343477).

140034123 is a wasteful number, since it uses less digits than its factorization.

140034123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272999 (or 272993 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140034123 is about 11833.6014382774. The cubic root of 140034123 is about 519.2915933001.

Adding to 140034123 its reverse (321430041), we get a palindrome (461464164).

The spelling of 140034123 in words is "one hundred forty million, thirty-four thousand, one hundred twenty-three".