123030333253 has 2 divisors, whose sum is σ = 123030333254. Its totient is φ = 123030333252.

The previous prime is 123030333203. The next prime is 123030333287. The reversal of 123030333253 is 352333030321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78560802369 + 44469530884 = 280287^2 + 210878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123030333253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123030333203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515166626 + 61515166627.

It is an arithmetic number, because the mean of its divisors is an integer number (61515166627).

Almost surely, 2^123030333253 is an apocalyptic number.

It is an amenable number.

123030333253 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030333253 is an equidigital number, since it uses as much as digits as its factorization.

123030333253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 28.

Adding to 123030333253 its reverse (352333030321), we get a palindrome (475363363574).

The spelling of 123030333253 in words is "one hundred twenty-three billion, thirty million, three hundred thirty-three thousand, two hundred fifty-three".