4215523423 has 2 divisors, whose sum is σ = 4215523424. Its totient is φ = 4215523422.

The previous prime is 4215523393. The next prime is 4215523453. The reversal of 4215523423 is 3243255124.

It is a balanced prime because it is at equal distance from previous prime (4215523393) and next prime (4215523453).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4215523423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4215523453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107761711 + 2107761712.

It is an arithmetic number, because the mean of its divisors is an integer number (2107761712).

Almost surely, 2^4215523423 is an apocalyptic number.

4215523423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215523423 is an equidigital number, since it uses as much as digits as its factorization.

4215523423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 31.

The square root of 4215523423 is about 64927.0623315117. The cubic root of 4215523423 is about 1615.4139747168.

Adding to 4215523423 its reverse (3243255124), we get a palindrome (7458778547).

The spelling of 4215523423 in words is "four billion, two hundred fifteen million, five hundred twenty-three thousand, four hundred twenty-three".