554023123 has 2 divisors, whose sum is σ = 554023124. Its totient is φ = 554023122.

The previous prime is 554023121. The next prime is 554023139. The reversal of 554023123 is 321320455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554023123 - 2¹ = 554023121 is a prime.

Together with 554023121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (554023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277011561 + 277011562.

It is an arithmetic number, because the mean of its divisors is an integer number (277011562).

Almost surely, 2^554023123 is an apocalyptic number.

554023123 is a deficient number, since it is larger than the sum of its proper divisors (1).

554023123 is an equidigital number, since it uses as much as digits as its factorization.

554023123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 554023123 is about 23537.6957878209. The cubic root of 554023123 is about 821.3141346588.

Adding to 554023123 its reverse (321320455), we get a palindrome (875343578).

The spelling of 554023123 in words is "five hundred fifty-four million, twenty-three thousand, one hundred twenty-three".