121033823 has 2 divisors, whose sum is σ = 121033824. Its totient is φ = 121033822.

The previous prime is 121033817. The next prime is 121033831. The reversal of 121033823 is 328330121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121033823 - 2¹⁰ = 121032799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121033813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516911 + 60516912.

It is an arithmetic number, because the mean of its divisors is an integer number (60516912).

Almost surely, 2^121033823 is an apocalyptic number.

121033823 is a deficient number, since it is larger than the sum of its proper divisors (1).

121033823 is an equidigital number, since it uses as much as digits as its factorization.

121033823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 121033823 is about 11001.5373016683. The cubic root of 121033823 is about 494.6548258484.

Adding to 121033823 its reverse (328330121), we get a palindrome (449363944).

The spelling of 121033823 in words is "one hundred twenty-one million, thirty-three thousand, eight hundred twenty-three".