2501320123 has 2 divisors, whose sum is σ = 2501320124. Its totient is φ = 2501320122.

The previous prime is 2501320111. The next prime is 2501320153. The reversal of 2501320123 is 3210231052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2501320123 - 2²⁹ = 1964449211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2501320123.

It is not a weakly prime, because it can be changed into another prime (2501320103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250660061 + 1250660062.

It is an arithmetic number, because the mean of its divisors is an integer number (1250660062).

Almost surely, 2^2501320123 is an apocalyptic number.

2501320123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501320123 is an equidigital number, since it uses as much as digits as its factorization.

2501320123 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.

The square root of 2501320123 is about 50013.1994877352. The cubic root of 2501320123 is about 1357.4476572695.

Adding to 2501320123 its reverse (3210231052), we get a palindrome (5711551175).

It can be divided in two parts, 2501 and 320123, that added together give a square (322624 = 568²).

The spelling of 2501320123 in words is "two billion, five hundred one million, three hundred twenty thousand, one hundred twenty-three".