123233021113 has 2 divisors, whose sum is σ = 123233021114. Its totient is φ = 123233021112.

The previous prime is 123233021099. The next prime is 123233021137. The reversal of 123233021113 is 311120332321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62336107584 + 60896913529 = 249672^2 + 246773^2 .

It is a cyclic number.

It is not a de Polignac number, because 123233021113 - 2¹³ = 123233012921 is a prime.

It is not a weakly prime, because it can be changed into another prime (123233021213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616510556 + 61616510557.

It is an arithmetic number, because the mean of its divisors is an integer number (61616510557).

Almost surely, 2^123233021113 is an apocalyptic number.

It is an amenable number.

123233021113 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233021113 is an equidigital number, since it uses as much as digits as its factorization.

123233021113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123233021113 its reverse (311120332321), we get a palindrome (434353353434).

The spelling of 123233021113 in words is "one hundred twenty-three billion, two hundred thirty-three million, twenty-one thousand, one hundred thirteen".