2721532423 has 2 divisors, whose sum is σ = 2721532424. Its totient is φ = 2721532422.

The previous prime is 2721532421. The next prime is 2721532427. The reversal of 2721532423 is 3242351272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2721532423 - 2¹ = 2721532421 is a prime.

Together with 2721532421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2721532421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360766211 + 1360766212.

It is an arithmetic number, because the mean of its divisors is an integer number (1360766212).

Almost surely, 2^2721532423 is an apocalyptic number.

2721532423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2721532423 is an equidigital number, since it uses as much as digits as its factorization.

2721532423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 2721532423 is about 52168.3086078128. The cubic root of 2721532423 is about 1396.1685071138.

Adding to 2721532423 its reverse (3242351272), we get a palindrome (5963883695).

It can be divided in two parts, 272153 and 2423, that added together give a square (274576 = 524²).

The spelling of 2721532423 in words is "two billion, seven hundred twenty-one million, five hundred thirty-two thousand, four hundred twenty-three".