254354454226623 has 16 divisors (see below), whose sum is σ = 353890723931136. Its totient is φ = 162194171414880.

The previous prime is 254354454226603. The next prime is 254354454226661. The reversal of 254354454226623 is 326622454453452.

It is not a de Polignac number, because 254354454226623 - 2²⁰ = 254354453178047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254354454226603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28706148 + ... + 36506873.

It is an arithmetic number, because the mean of its divisors is an integer number (22118170245696).

Almost surely, 2^{254354454226623} is an apocalyptic number.

254354454226623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

254354454226623 is a deficient number, since it is larger than the sum of its proper divisors (99536269704513).

254354454226623 is a wasteful number, since it uses less digits than its factorization.

254354454226623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65269574.

The product of its digits is 165888000, while the sum is 57.

The spelling of 254354454226623 in words is "two hundred fifty-four trillion, three hundred fifty-four billion, four hundred fifty-four million, two hundred twenty-six thousand, six hundred twenty-three".