123233454653 has 2 divisors, whose sum is σ = 123233454654. Its totient is φ = 123233454652.

The previous prime is 123233454623. The next prime is 123233454737. The reversal of 123233454653 is 356454332321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76949095609 + 46284359044 = 277397^2 + 215138^2 .

It is an emirp because it is prime and its reverse (356454332321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123233454653 - 2⁸ = 123233454397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123233454653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123233454623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616727326 + 61616727327.

It is an arithmetic number, because the mean of its divisors is an integer number (61616727327).

Almost surely, 2^123233454653 is an apocalyptic number.

It is an amenable number.

123233454653 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233454653 is an equidigital number, since it uses as much as digits as its factorization.

123233454653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 41.

Adding to 123233454653 its reverse (356454332321), we get a palindrome (479687786974).

The spelling of 123233454653 in words is "one hundred twenty-three billion, two hundred thirty-three million, four hundred fifty-four thousand, six hundred fifty-three".