121613323 has 8 divisors (see below), whose sum is σ = 133440048. Its totient is φ = 110139744.

The previous prime is 121613309. The next prime is 121613363. The reversal of 121613323 is 323316121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121613323 - 2²⁵ = 88058891 is a prime.

It is a super-2 number, since 2×121613323² = 29579600662204658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121613294 and 121613303.

It is not an unprimeable number, because it can be changed into a prime (121613363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87565 + ... + 88942.

It is an arithmetic number, because the mean of its divisors is an integer number (16680006).

Almost surely, 2^121613323 is an apocalyptic number.

121613323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121613323 is a deficient number, since it is larger than the sum of its proper divisors (11826725).

121613323 is a wasteful number, since it uses less digits than its factorization.

121613323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176573.

The product of its digits is 648, while the sum is 22.

The square root of 121613323 is about 11027.8430801313. The cubic root of 121613323 is about 495.4430247943.

Adding to 121613323 its reverse (323316121), we get a palindrome (444929444).

The spelling of 121613323 in words is "one hundred twenty-one million, six hundred thirteen thousand, three hundred twenty-three".