248454823 has 2 divisors, whose sum is σ = 248454824. Its totient is φ = 248454822.

The previous prime is 248454761. The next prime is 248454851. The reversal of 248454823 is 328454842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248454823 is a prime.

It is a super-2 number, since 2×248454823² = 123459598143922658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248454893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124227411 + 124227412.

It is an arithmetic number, because the mean of its divisors is an integer number (124227412).

Almost surely, 2^248454823 is an apocalyptic number.

248454823 is a deficient number, since it is larger than the sum of its proper divisors (1).

248454823 is an equidigital number, since it uses as much as digits as its factorization.

248454823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 245760, while the sum is 40.

The square root of 248454823 is about 15762.4497778740. The cubic root of 248454823 is about 628.6599744628.

The spelling of 248454823 in words is "two hundred forty-eight million, four hundred fifty-four thousand, eight hundred twenty-three".