123625501133 has 2 divisors, whose sum is σ = 123625501134. Its totient is φ = 123625501132.

The previous prime is 123625501123. The next prime is 123625501169. The reversal of 123625501133 is 331105526321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74287318249 + 49338182884 = 272557^2 + 222122^2 .

It is an emirp because it is prime and its reverse (331105526321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123625501133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123625501133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123625501123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61812750566 + 61812750567.

It is an arithmetic number, because the mean of its divisors is an integer number (61812750567).

Almost surely, 2^123625501133 is an apocalyptic number.

It is an amenable number.

123625501133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123625501133 is an equidigital number, since it uses as much as digits as its factorization.

123625501133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 123625501133 in words is "one hundred twenty-three billion, six hundred twenty-five million, five hundred one thousand, one hundred thirty-three".