1228454160823 has 2 divisors, whose sum is σ = 1228454160824. Its totient is φ = 1228454160822.

The previous prime is 1228454160821. The next prime is 1228454160827. The reversal of 1228454160823 is 3280614548221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228454160823 - 2¹ = 1228454160821 is a prime.

It is a super-2 number, since 2×1228454160823² (a number of 25 digits) contains 22 as substring.

Together with 1228454160821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228454160821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614227080411 + 614227080412.

It is an arithmetic number, because the mean of its divisors is an integer number (614227080412).

Almost surely, 2^{1228454160823} is an apocalyptic number.

1228454160823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228454160823 is an equidigital number, since it uses as much as digits as its factorization.

1228454160823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 1228454160823 in words is "one trillion, two hundred twenty-eight billion, four hundred fifty-four million, one hundred sixty thousand, eight hundred twenty-three".