304242233123 has 4 divisors (see below), whose sum is σ = 314733344640. Its totient is φ = 293751121608.

The previous prime is 304242233101. The next prime is 304242233149. The reversal of 304242233123 is 321332242403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321332242403 = 23 ⋅13970967061.

It is a cyclic number.

It is not a de Polignac number, because 304242233123 - 2¹⁸ = 304241970979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 10491111487 = 304242233123 / (3 + 0 + 4 + 2 + 4 + 2 + 2 + 3 + 3 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304242203123) 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, 5245555715 + ... + 5245555772.

It is an arithmetic number, because the mean of its divisors is an integer number (78683336160).

Almost surely, 2^304242233123 is an apocalyptic number.

304242233123 is a deficient number, since it is larger than the sum of its proper divisors (10491111517).

304242233123 is a wasteful number, since it uses less digits than its factorization.

304242233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491111516.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 304242233123 its reverse (321332242403), we get a palindrome (625574475526).

The spelling of 304242233123 in words is "three hundred four billion, two hundred forty-two million, two hundred thirty-three thousand, one hundred twenty-three".