121232123303 has 4 divisors (see below), whose sum is σ = 121351800648. Its totient is φ = 121112445960.

The previous prime is 121232123291. The next prime is 121232123323. The reversal of 121232123303 is 303321232121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303321232121 = 46099 ⋅6579779.

It is a cyclic number.

It is not a de Polignac number, because 121232123303 - 2²⁸ = 120963687847 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 (121232123323) 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, 59837153 + ... + 59839178.

It is an arithmetic number, because the mean of its divisors is an integer number (30337950162).

Almost surely, 2^121232123303 is an apocalyptic number.

121232123303 is a deficient number, since it is larger than the sum of its proper divisors (119677345).

121232123303 is a wasteful number, since it uses less digits than its factorization.

121232123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119677344.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121232123303 its reverse (303321232121), we get a palindrome (424553355424).

The spelling of 121232123303 in words is "one hundred twenty-one billion, two hundred thirty-two million, one hundred twenty-three thousand, three hundred three".