2145535323 has 4 divisors (see below), whose sum is σ = 2860713768. Its totient is φ = 1430356880.

The previous prime is 2145535321. The next prime is 2145535331. The reversal of 2145535323 is 3235355412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2145535323 - 2¹ = 2145535321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145535321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357589218 + ... + 357589223.

It is an arithmetic number, because the mean of its divisors is an integer number (715178442).

Almost surely, 2^2145535323 is an apocalyptic number.

2145535323 is a deficient number, since it is larger than the sum of its proper divisors (715178445).

2145535323 is an equidigital number, since it uses as much as digits as its factorization.

2145535323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715178444.

The product of its digits is 54000, while the sum is 33.

The square root of 2145535323 is about 46319.9236074500. The cubic root of 2145535323 is about 1289.7688673092.

The spelling of 2145535323 in words is "two billion, one hundred forty-five million, five hundred thirty-five thousand, three hundred twenty-three".