121232323 has 4 divisors (see below), whose sum is σ = 121313448. Its totient is φ = 121151200.

The previous prime is 121232311. The next prime is 121232347. The reversal of 121232323 is 323232121.

121232323 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121232323 - 2⁵ = 121232291 is a prime.

It is a super-2 number, since 2×121232323² = 29394552279952658, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121232323.

It is not an unprimeable number, because it can be changed into a prime (121232303) 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 in 3 ways as a sum of consecutive naturals, for example, 38278 + ... + 41323.

It is an arithmetic number, because the mean of its divisors is an integer number (30328362).

Almost surely, 2^121232323 is an apocalyptic number.

121232323 is a deficient number, since it is larger than the sum of its proper divisors (81125).

121232323 is an equidigital number, since it uses as much as digits as its factorization.

121232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81124.

The product of its digits is 432, while the sum is 19.

The square root of 121232323 is about 11010.5550722931. Note that the first 3 decimals coincide. The cubic root of 121232323 is about 494.9250956278.

Adding to 121232323 its reverse (323232121), we get a palindrome (444464444).

The spelling of 121232323 in words is "one hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-three".