4555402123 has 2 divisors, whose sum is σ = 4555402124. Its totient is φ = 4555402122.

The previous prime is 4555402087. The next prime is 4555402169. The reversal of 4555402123 is 3212045554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4555402123 - 2¹⁷ = 4555271051 is a prime.

It is not a weakly prime, because it can be changed into another prime (4555402183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277701061 + 2277701062.

It is an arithmetic number, because the mean of its divisors is an integer number (2277701062).

Almost surely, 2^4555402123 is an apocalyptic number.

4555402123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4555402123 is an equidigital number, since it uses as much as digits as its factorization.

4555402123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 4555402123 is about 67493.7191374131. The cubic root of 4555402123 is about 1657.7113332572.

Adding to 4555402123 its reverse (3212045554), we get a palindrome (7767447677).

The spelling of 4555402123 in words is "four billion, five hundred fifty-five million, four hundred two thousand, one hundred twenty-three".