140123112243021 has 48 divisors (see below), whose sum is σ = 207411625175040. Its totient is φ = 91126764612000.

The previous prime is 140123112242983. The next prime is 140123112243029. The reversal of 140123112243021 is 120342211321041.

140123112243021 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 231 + 122 + 4 + 302 + 1 = 666.

It is not a de Polignac number, because 140123112243021 - 2¹⁵ = 140123112210253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140123112243029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2183557266 + ... + 2183621436.

It is an arithmetic number, because the mean of its divisors is an integer number (4321075524480).

Almost surely, 2^{140123112243021} is an apocalyptic number.

It is an amenable number.

140123112243021 is a deficient number, since it is larger than the sum of its proper divisors (67288512932019).

140123112243021 is a wasteful number, since it uses less digits than its factorization.

140123112243021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95758 (or 95755 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 140123112243021 its reverse (120342211321041), we get a palindrome (260465323564062).

The spelling of 140123112243021 in words is "one hundred forty trillion, one hundred twenty-three billion, one hundred twelve million, two hundred forty-three thousand, twenty-one".