123100200253 has 2 divisors, whose sum is σ = 123100200254. Its totient is φ = 123100200252.

The previous prime is 123100200217. The next prime is 123100200277. The reversal of 123100200253 is 352002001321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69325836804 + 53774363449 = 263298^2 + 231893^2 .

It is an emirp because it is prime and its reverse (352002001321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123100200253 - 2²¹ = 123098103101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123100200253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123100200203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550100126 + 61550100127.

It is an arithmetic number, because the mean of its divisors is an integer number (61550100127).

Almost surely, 2^123100200253 is an apocalyptic number.

It is an amenable number.

123100200253 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100200253 is an equidigital number, since it uses as much as digits as its factorization.

123100200253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 123100200253 its reverse (352002001321), we get a palindrome (475102201574).

The spelling of 123100200253 in words is "one hundred twenty-three billion, one hundred million, two hundred thousand, two hundred fifty-three".