2145320102523 has 16 divisors (see below), whose sum is σ = 3096096496416. Its totient is φ = 1313495473920.

The previous prime is 2145320102503. The next prime is 2145320102537. The reversal of 2145320102523 is 3252010235412.

It is not a de Polignac number, because 2145320102523 - 2¹³ = 2145320094331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145320102503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139607058 + ... + 139622423.

It is an arithmetic number, because the mean of its divisors is an integer number (193506031026).

Almost surely, 2^{2145320102523} is an apocalyptic number.

2145320102523 is a deficient number, since it is larger than the sum of its proper divisors (950776393893).

2145320102523 is a wasteful number, since it uses less digits than its factorization.

2145320102523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279229694.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2145320102523 its reverse (3252010235412), we get a palindrome (5397330337935).

The spelling of 2145320102523 in words is "two trillion, one hundred forty-five billion, three hundred twenty million, one hundred two thousand, five hundred twenty-three".