140123044303405 has 16 divisors (see below), whose sum is σ = 169694454124800. Its totient is φ = 111067285250880.

The previous prime is 140123044303373. The next prime is 140123044303427. The reversal of 140123044303405 is 504303440321041.

It is not a de Polignac number, because 140123044303405 - 2⁵ = 140123044303373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19233790 + ... + 25498720.

It is an arithmetic number, because the mean of its divisors is an integer number (10605903382800).

Almost surely, 2^{140123044303405} is an apocalyptic number.

It is an amenable number.

140123044303405 is a deficient number, since it is larger than the sum of its proper divisors (29571409821395).

140123044303405 is a wasteful number, since it uses less digits than its factorization.

140123044303405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306084.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 140123044303405 its reverse (504303440321041), we get a palindrome (644426484624446).

The spelling of 140123044303405 in words is "one hundred forty trillion, one hundred twenty-three billion, forty-four million, three hundred three thousand, four hundred five".