274906823 has 2 divisors, whose sum is σ = 274906824. Its totient is φ = 274906822.

The previous prime is 274906789. The next prime is 274906939. The reversal of 274906823 is 328609472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274906823 - 2²⁴ = 258129607 is a prime.

It is a super-2 number, since 2×274906823² = 151147522663906658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274956823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137453411 + 137453412.

It is an arithmetic number, because the mean of its divisors is an integer number (137453412).

Almost surely, 2^274906823 is an apocalyptic number.

274906823 is a deficient number, since it is larger than the sum of its proper divisors (1).

274906823 is an equidigital number, since it uses as much as digits as its factorization.

274906823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 274906823 is about 16580.3143215079. The cubic root of 274906823 is about 650.2222695477. Note that the first 4 decimals are identical.

The spelling of 274906823 in words is "two hundred seventy-four million, nine hundred six thousand, eight hundred twenty-three".