2155924303 has 4 divisors (see below), whose sum is σ = 2321764648. Its totient is φ = 1990083960.

The previous prime is 2155924289. The next prime is 2155924321. The reversal of 2155924303 is 3034295512.

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 2155924303 - 2⁵ = 2155924271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155921303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82920153 + ... + 82920178.

It is an arithmetic number, because the mean of its divisors is an integer number (580441162).

Almost surely, 2^2155924303 is an apocalyptic number.

2155924303 is a deficient number, since it is larger than the sum of its proper divisors (165840345).

2155924303 is a wasteful number, since it uses less digits than its factorization.

2155924303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165840344.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 2155924303 is about 46431.9319326689. The cubic root of 2155924303 is about 1291.8472629418.

The spelling of 2155924303 in words is "two billion, one hundred fifty-five million, nine hundred twenty-four thousand, three hundred three".