123121141433 has 2 divisors, whose sum is σ = 123121141434. Its totient is φ = 123121141432.

The previous prime is 123121141427. The next prime is 123121141457. The reversal of 123121141433 is 334141121321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79156697104 + 43964444329 = 281348^2 + 209677^2 .

It is a cyclic number.

It is not a de Polignac number, because 123121141433 - 2¹⁰ = 123121140409 is a prime.

It is not a weakly prime, because it can be changed into another prime (123121141483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61560570716 + 61560570717.

It is an arithmetic number, because the mean of its divisors is an integer number (61560570717).

Almost surely, 2^123121141433 is an apocalyptic number.

It is an amenable number.

123121141433 is a deficient number, since it is larger than the sum of its proper divisors (1).

123121141433 is an equidigital number, since it uses as much as digits as its factorization.

123121141433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

Adding to 123121141433 its reverse (334141121321), we get a palindrome (457262262754).

The spelling of 123121141433 in words is "one hundred twenty-three billion, one hundred twenty-one million, one hundred forty-one thousand, four hundred thirty-three".