554123231 has 2 divisors, whose sum is σ = 554123232. Its totient is φ = 554123230.

The previous prime is 554123209. The next prime is 554123237. The reversal of 554123231 is 132321455.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554123231 is a prime.

It is a super-2 number, since 2×554123231² = 614105110267758722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554123231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554123237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277061615 + 277061616.

It is an arithmetic number, because the mean of its divisors is an integer number (277061616).

Almost surely, 2^554123231 is an apocalyptic number.

554123231 is a deficient number, since it is larger than the sum of its proper divisors (1).

554123231 is an equidigital number, since it uses as much as digits as its factorization.

554123231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 554123231 is about 23539.8222380714. The cubic root of 554123231 is about 821.3636002017.

Adding to 554123231 its reverse (132321455), we get a palindrome (686444686).

The spelling of 554123231 in words is "five hundred fifty-four million, one hundred twenty-three thousand, two hundred thirty-one".