2056453423 has 4 divisors (see below), whose sum is σ = 2127365640. Its totient is φ = 1985541208.

The previous prime is 2056453409. The next prime is 2056453453. The reversal of 2056453423 is 3243546502.

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 2056453423 - 2⁹ = 2056452911 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 (2056453403) 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, 35456065 + ... + 35456122.

It is an arithmetic number, because the mean of its divisors is an integer number (531841410).

Almost surely, 2^2056453423 is an apocalyptic number.

2056453423 is a deficient number, since it is larger than the sum of its proper divisors (70912217).

2056453423 is an equidigital number, since it uses as much as digits as its factorization.

2056453423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70912216.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 2056453423 is about 45348.1358271760. The cubic root of 2056453423 is about 1271.6657050971.

Adding to 2056453423 its reverse (3243546502), we get a palindrome (5299999925).

The spelling of 2056453423 in words is "two billion, fifty-six million, four hundred fifty-three thousand, four hundred twenty-three".