554400023 has 2 divisors, whose sum is σ = 554400024. Its totient is φ = 554400022.

The previous prime is 554400019. The next prime is 554400037. The reversal of 554400023 is 320004455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554400023 - 2² = 554400019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554400043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277200011 + 277200012.

It is an arithmetic number, because the mean of its divisors is an integer number (277200012).

Almost surely, 2^554400023 is an apocalyptic number.

554400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

554400023 is an equidigital number, since it uses as much as digits as its factorization.

554400023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 554400023 is about 23545.7007328302. The cubic root of 554400023 is about 821.5003381553.

Adding to 554400023 its reverse (320004455), we get a palindrome (874404478).

The spelling of 554400023 in words is "five hundred fifty-four million, four hundred thousand, twenty-three".