121355323 has 2 divisors, whose sum is σ = 121355324. Its totient is φ = 121355322.

The previous prime is 121355317. The next prime is 121355347. The reversal of 121355323 is 323553121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121355323 - 2⁹ = 121354811 is a prime.

It is a super-2 number, since 2×121355323² = 29454228840868658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121355623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60677661 + 60677662.

It is an arithmetic number, because the mean of its divisors is an integer number (60677662).

Almost surely, 2^121355323 is an apocalyptic number.

121355323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121355323 is an equidigital number, since it uses as much as digits as its factorization.

121355323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 121355323 is about 11016.1392057290. The cubic root of 121355323 is about 495.0924195698.

The spelling of 121355323 in words is "one hundred twenty-one million, three hundred fifty-five thousand, three hundred twenty-three".