254123225343451 has 16 divisors (see below), whose sum is σ = 269387527508064. Its totient is φ = 238894075090944.

The previous prime is 254123225343439. The next prime is 254123225343469. The reversal of 254123225343451 is 154343522321452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254123225343451 is a prime.

It is a super-2 number, since 2×254123225343451² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254123225341451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149412636 + ... + 151103878.

It is an arithmetic number, because the mean of its divisors is an integer number (16836720469254).

Almost surely, 2^{254123225343451} is an apocalyptic number.

254123225343451 is a deficient number, since it is larger than the sum of its proper divisors (15264302164613).

254123225343451 is a wasteful number, since it uses less digits than its factorization.

254123225343451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701630.

The product of its digits is 3456000, while the sum is 46.

The spelling of 254123225343451 in words is "two hundred fifty-four trillion, one hundred twenty-three billion, two hundred twenty-five million, three hundred forty-three thousand, four hundred fifty-one".