2140431322123 has 8 divisors (see below), whose sum is σ = 2192697193680. Its totient is φ = 2088168318720.

The previous prime is 2140431322121. The next prime is 2140431322181. The reversal of 2140431322123 is 3212231340412.

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 2140431322123 - 2¹ = 2140431322121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140431322091 and 2140431322100.

It is not an unprimeable number, because it can be changed into a prime (2140431322121) 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, 834211 + ... + 2230867.

It is an arithmetic number, because the mean of its divisors is an integer number (274087149210).

Almost surely, 2^{2140431322123} is an apocalyptic number.

2140431322123 is a deficient number, since it is larger than the sum of its proper divisors (52265871557).

2140431322123 is a wasteful number, since it uses less digits than its factorization.

2140431322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434077.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2140431322123 its reverse (3212231340412), we get a palindrome (5352662662535).

The spelling of 2140431322123 in words is "two trillion, one hundred forty billion, four hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty-three".