2721351423 has 16 divisors (see below), whose sum is σ = 4177094400. Its totient is φ = 1543705536.

The previous prime is 2721351419. The next prime is 2721351427. The reversal of 2721351423 is 3241531272.

It is an interprime number because it is at equal distance from previous prime (2721351419) and next prime (2721351427).

It is not a de Polignac number, because 2721351423 - 2² = 2721351419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721351427) 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 15 ways as a sum of consecutive naturals, for example, 470073 + ... + 475826.

It is an arithmetic number, because the mean of its divisors is an integer number (261068400).

Almost surely, 2^2721351423 is an apocalyptic number.

2721351423 is a deficient number, since it is larger than the sum of its proper divisors (1455742977).

2721351423 is a wasteful number, since it uses less digits than its factorization.

2721351423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946046.

The product of its digits is 10080, while the sum is 30.

The square root of 2721351423 is about 52166.5738092890. The cubic root of 2721351423 is about 1396.1375549316.

Adding to 2721351423 its reverse (3241531272), we get a palindrome (5962882695).

The spelling of 2721351423 in words is "two billion, seven hundred twenty-one million, three hundred fifty-one thousand, four hundred twenty-three".