121200323 has 2 divisors, whose sum is σ = 121200324. Its totient is φ = 121200322.

The previous prime is 121200319. The next prime is 121200349. The reversal of 121200323 is 323002121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121200323 - 2² = 121200319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121200298 and 121200307.

It is not a weakly prime, because it can be changed into another prime (121200383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600161 + 60600162.

It is an arithmetic number, because the mean of its divisors is an integer number (60600162).

Almost surely, 2^121200323 is an apocalyptic number.

121200323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200323 is an equidigital number, since it uses as much as digits as its factorization.

121200323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 121200323 is about 11009.1018253080. The cubic root of 121200323 is about 494.8815456450.

Adding to 121200323 its reverse (323002121), we get a palindrome (444202444).

The spelling of 121200323 in words is "one hundred twenty-one million, two hundred thousand, three hundred twenty-three".