2145326013423 has 12 divisors (see below), whose sum is σ = 3098819170200. Its totient is φ = 1430210452176.

The previous prime is 2145326013401. The next prime is 2145326013431. The reversal of 2145326013423 is 3243106235412.

2145326013423 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 3 + 2 + 601 + 3 + 42 + 3 = 666.

It is not a de Polignac number, because 2145326013423 - 2⁹ = 2145326012911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145326013443) 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 11 ways as a sum of consecutive naturals, for example, 2009853 + ... + 2886201.

It is an arithmetic number, because the mean of its divisors is an integer number (258234930850).

Almost surely, 2^{2145326013423} is an apocalyptic number.

2145326013423 is a deficient number, since it is larger than the sum of its proper divisors (953493156777).

2145326013423 is a wasteful number, since it uses less digits than its factorization.

2145326013423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148358 (or 1148355 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 2145326013423 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, thirteen thousand, four hundred twenty-three".