2321478051 has 4 divisors (see below), whose sum is σ = 3095304072. Its totient is φ = 1547652032.

The previous prime is 2321478041. The next prime is 2321478079. The reversal of 2321478051 is 1508741232.

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 2321478051 - 2⁶ = 2321477987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321478041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386913006 + ... + 386913011.

It is an arithmetic number, because the mean of its divisors is an integer number (773826018).

Almost surely, 2^2321478051 is an apocalyptic number.

2321478051 is a deficient number, since it is larger than the sum of its proper divisors (773826021).

2321478051 is an equidigital number, since it uses as much as digits as its factorization.

2321478051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773826020.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2321478051 is about 48181.7190540147. The cubic root of 2321478051 is about 1324.1022614233.

The spelling of 2321478051 in words is "two billion, three hundred twenty-one million, four hundred seventy-eight thousand, fifty-one".