4155530123 has 2 divisors, whose sum is σ = 4155530124. Its totient is φ = 4155530122.

The previous prime is 4155530107. The next prime is 4155530131. The reversal of 4155530123 is 3210355514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4155530123 - 2⁴ = 4155530107 is a prime.

It is not a weakly prime, because it can be changed into another prime (4155530173) 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, 2077765061 + 2077765062.

It is an arithmetic number, because the mean of its divisors is an integer number (2077765062).

Almost surely, 2^4155530123 is an apocalyptic number.

4155530123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155530123 is an equidigital number, since it uses as much as digits as its factorization.

4155530123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 4155530123 is about 64463.4014228229. The cubic root of 4155530123 is about 1607.7140665638.

Adding to 4155530123 its reverse (3210355514), we get a palindrome (7365885637).

The spelling of 4155530123 in words is "four billion, one hundred fifty-five million, five hundred thirty thousand, one hundred twenty-three".