122826823 has 4 divisors (see below), whose sum is σ = 140373520. Its totient is φ = 105280128.

The previous prime is 122826797. The next prime is 122826827. The reversal of 122826823 is 328628221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328628221 = 8713 ⋅37717.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122826823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122826827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8773338 + ... + 8773351.

It is an arithmetic number, because the mean of its divisors is an integer number (35093380).

Almost surely, 2^122826823 is an apocalyptic number.

122826823 is a deficient number, since it is larger than the sum of its proper divisors (17546697).

122826823 is an equidigital number, since it uses as much as digits as its factorization.

122826823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17546696.

The product of its digits is 18432, while the sum is 34.

The square root of 122826823 is about 11082.7263342555. The cubic root of 122826823 is about 497.0854747617.

The spelling of 122826823 in words is "one hundred twenty-two million, eight hundred twenty-six thousand, eight hundred twenty-three".