1233123323043 has 8 divisors (see below), whose sum is σ = 1654251329728. Its totient is φ = 817038765864.

The previous prime is 1233123323021. The next prime is 1233123323057. The reversal of 1233123323043 is 3403233213321.

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

It is not a de Polignac number, because 1233123323043 - 2⁵ = 1233123323011 is a prime.

It is a super-2 number, since 2×1233123323043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233123323043.

It is not an unprimeable number, because it can be changed into a prime (1233123323063) 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, 1260861805 + ... + 1260862782.

It is an arithmetic number, because the mean of its divisors is an integer number (206781416216).

Almost surely, 2^{1233123323043} is an apocalyptic number.

1233123323043 is a deficient number, since it is larger than the sum of its proper divisors (421128006685).

1233123323043 is a wasteful number, since it uses less digits than its factorization.

1233123323043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521724753.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 1233123323043 its reverse (3403233213321), we get a palindrome (4636356536364).

The spelling of 1233123323043 in words is "one trillion, two hundred thirty-three billion, one hundred twenty-three million, three hundred twenty-three thousand, forty-three".