140343545123 has 8 divisors (see below), whose sum is σ = 144883992576. Its totient is φ = 135803925000.

The previous prime is 140343545099. The next prime is 140343545129. The reversal of 140343545123 is 321545343041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140343545123 - 2³² = 136048577827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140343545129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147590 + ... + 549972.

It is an arithmetic number, because the mean of its divisors is an integer number (18110499072).

Almost surely, 2^140343545123 is an apocalyptic number.

140343545123 is a deficient number, since it is larger than the sum of its proper divisors (4540447453).

140343545123 is a wasteful number, since it uses less digits than its factorization.

140343545123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413665.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 140343545123 its reverse (321545343041), we get a palindrome (461888888164).

The spelling of 140343545123 in words is "one hundred forty billion, three hundred forty-three million, five hundred forty-five thousand, one hundred twenty-three".