454257046123 has 2 divisors, whose sum is σ = 454257046124. Its totient is φ = 454257046122.

The previous prime is 454257046063. The next prime is 454257046141. The reversal of 454257046123 is 321640752454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454257046123 is a prime.

It is a super-2 number, since 2×454257046123² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 454257046123.

It is not a weakly prime, because it can be changed into another prime (454257046163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227128523061 + 227128523062.

It is an arithmetic number, because the mean of its divisors is an integer number (227128523062).

Almost surely, 2^454257046123 is an apocalyptic number.

454257046123 is a deficient number, since it is larger than the sum of its proper divisors (1).

454257046123 is an equidigital number, since it uses as much as digits as its factorization.

454257046123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 43.

Adding to 454257046123 its reverse (321640752454), we get a palindrome (775897798577).

The spelling of 454257046123 in words is "four hundred fifty-four billion, two hundred fifty-seven million, forty-six thousand, one hundred twenty-three".