121514323 has 4 divisors (see below), whose sum is σ = 138873520. Its totient is φ = 104155128.

The previous prime is 121514297. The next prime is 121514339. The reversal of 121514323 is 323415121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323415121 = 23 ⋅14061527.

It is not a de Polignac number, because 121514323 - 2²¹ = 119417171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121514294 and 121514303.

It is not an unprimeable number, because it can be changed into a prime (121514363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8679588 + ... + 8679601.

It is an arithmetic number, because the mean of its divisors is an integer number (34718380).

Almost surely, 2^121514323 is an apocalyptic number.

121514323 is a deficient number, since it is larger than the sum of its proper divisors (17359197).

121514323 is an equidigital number, since it uses as much as digits as its factorization.

121514323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17359196.

The product of its digits is 720, while the sum is 22.

The square root of 121514323 is about 11023.3535278517. The cubic root of 121514323 is about 495.3085489168.

Adding to 121514323 its reverse (323415121), we get a palindrome (444929444).

The spelling of 121514323 in words is "one hundred twenty-one million, five hundred fourteen thousand, three hundred twenty-three".