123203021233433 has 2 divisors, whose sum is σ = 123203021233434. Its totient is φ = 123203021233432.

The previous prime is 123203021233427. The next prime is 123203021233489. The reversal of 123203021233433 is 334332120302321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122708857224409 + 494164009024 = 11077403^2 + 702968^2 .

It is a cyclic number.

It is not a de Polignac number, because 123203021233433 - 2⁴ = 123203021233417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123203021233433.

It is not a weakly prime, because it can be changed into another prime (123203021233333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601510616716 + 61601510616717.

It is an arithmetic number, because the mean of its divisors is an integer number (61601510616717).

Almost surely, 2^{123203021233433} is an apocalyptic number.

It is an amenable number.

123203021233433 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203021233433 is an equidigital number, since it uses as much as digits as its factorization.

123203021233433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 123203021233433 its reverse (334332120302321), we get a palindrome (457535141535754).

The spelling of 123203021233433 in words is "one hundred twenty-three trillion, two hundred three billion, twenty-one million, two hundred thirty-three thousand, four hundred thirty-three".