121423043 has 8 divisors (see below), whose sum is σ = 141722112. Its totient is φ = 101862216.

The previous prime is 121422997. The next prime is 121423069. The reversal of 121423043 is 340324121.

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

It is a cyclic number.

It is not a de Polignac number, because 121423043 - 2¹⁰ = 121422019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121423073) 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, 184205 + ... + 184862.

It is an arithmetic number, because the mean of its divisors is an integer number (17715264).

Almost surely, 2^121423043 is an apocalyptic number.

121423043 is a deficient number, since it is larger than the sum of its proper divisors (20299069).

121423043 is an equidigital number, since it uses as much as digits as its factorization.

121423043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369121.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 121423043 is about 11019.2124491726. The cubic root of 121423043 is about 495.1844947071.

Adding to 121423043 its reverse (340324121), we get a palindrome (461747164).

The spelling of 121423043 in words is "one hundred twenty-one million, four hundred twenty-three thousand, forty-three".