121423353 has 8 divisors (see below), whose sum is σ = 161949216. Its totient is φ = 80923200.

The previous prime is 121423349. The next prime is 121423361. The reversal of 121423353 is 353324121.

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

It is not a de Polignac number, because 121423353 - 2² = 121423349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121423343) 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 7 ways as a sum of consecutive naturals, for example, 12898 + ... + 20228.

It is an arithmetic number, because the mean of its divisors is an integer number (20243652).

Almost surely, 2^121423353 is an apocalyptic number.

It is an amenable number.

121423353 is a deficient number, since it is larger than the sum of its proper divisors (40525863).

121423353 is an equidigital number, since it uses as much as digits as its factorization.

121423353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855.

The product of its digits is 2160, while the sum is 24.

The square root of 121423353 is about 11019.2265155046. The cubic root of 121423353 is about 495.1849161183.

Adding to 121423353 its reverse (353324121), we get a palindrome (474747474).

The spelling of 121423353 in words is "one hundred twenty-one million, four hundred twenty-three thousand, three hundred fifty-three".