121433023 has 4 divisors (see below), whose sum is σ = 128576160. Its totient is φ = 114289888.

The previous prime is 121432999. The next prime is 121433029. The reversal of 121433023 is 320334121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121433023 - 2¹⁷ = 121301951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121433029) 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, 3571543 + ... + 3571576.

It is an arithmetic number, because the mean of its divisors is an integer number (32144040).

Almost surely, 2^121433023 is an apocalyptic number.

121433023 is a deficient number, since it is larger than the sum of its proper divisors (7143137).

121433023 is an equidigital number, since it uses as much as digits as its factorization.

121433023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143136.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 121433023 is about 11019.6652852979. The cubic root of 121433023 is about 495.1980610664.

Adding to 121433023 its reverse (320334121), we get a palindrome (441767144).

The spelling of 121433023 in words is "one hundred twenty-one million, four hundred thirty-three thousand, twenty-three".