121352343 has 16 divisors (see below), whose sum is σ = 187680000. Its totient is φ = 68308416.

The previous prime is 121352339. The next prime is 121352369. The reversal of 121352343 is 343253121.

It is not a de Polignac number, because 121352343 - 2² = 121352339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121352303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41718 + ... + 44531.

It is an arithmetic number, because the mean of its divisors is an integer number (11730000).

Almost surely, 2^121352343 is an apocalyptic number.

121352343 is a deficient number, since it is larger than the sum of its proper divisors (66327657).

121352343 is an equidigital number, since it uses as much as digits as its factorization.

121352343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86326.

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

The square root of 121352343 is about 11016.0039488010. The cubic root of 121352343 is about 495.0883670419.

The spelling of 121352343 in words is "one hundred twenty-one million, three hundred fifty-two thousand, three hundred forty-three".