121424232303 has 64 divisors (see below), whose sum is σ = 200088921600. Its totient is φ = 72149575680.

The previous prime is 121424232299. The next prime is 121424232329. The reversal of 121424232303 is 303232424121.

121424232303 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 2 + 423 + 230 + 3 = 666.

It is not a de Polignac number, because 121424232303 - 2² = 121424232299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121424232343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38705551 + ... + 38708687.

It is an arithmetic number, because the mean of its divisors is an integer number (3126389400).

Almost surely, 2^121424232303 is an apocalyptic number.

121424232303 is a deficient number, since it is larger than the sum of its proper divisors (78664689297).

121424232303 is a wasteful number, since it uses less digits than its factorization.

121424232303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669 (or 5663 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 121424232303 its reverse (303232424121), we get a palindrome (424656656424).

It can be divided in two parts, 121 and 424232303, that added together give a palindrome (424232424).

The spelling of 121424232303 in words is "one hundred twenty-one billion, four hundred twenty-four million, two hundred thirty-two thousand, three hundred three".