121233923 has 2 divisors, whose sum is σ = 121233924. Its totient is φ = 121233922.

The previous prime is 121233911. The next prime is 121234013. The reversal of 121233923 is 329332121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121233923 - 2⁴ = 121233907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121233892 and 121233901.

It is not a weakly prime, because it can be changed into another prime (121233523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616961 + 60616962.

It is an arithmetic number, because the mean of its divisors is an integer number (60616962).

Almost surely, 2^121233923 is an apocalyptic number.

121233923 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233923 is an equidigital number, since it uses as much as digits as its factorization.

121233923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 121233923 is about 11010.6277296074. The cubic root of 121233923 is about 494.9272729257.

The spelling of 121233923 in words is "one hundred twenty-one million, two hundred thirty-three thousand, nine hundred twenty-three".