2500900123 has 2 divisors, whose sum is σ = 2500900124. Its totient is φ = 2500900122.

The previous prime is 2500900117. The next prime is 2500900133. The reversal of 2500900123 is 3210090052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500900123 - 2⁵ = 2500900091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2500900094 and 2500900103.

It is not a weakly prime, because it can be changed into another prime (2500900133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250450061 + 1250450062.

It is an arithmetic number, because the mean of its divisors is an integer number (1250450062).

Almost surely, 2^2500900123 is an apocalyptic number.

2500900123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500900123 is an equidigital number, since it uses as much as digits as its factorization.

2500900123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2500900123 is about 50009.0004199244. Note that the first 3 decimals coincide. The cubic root of 2500900123 is about 1357.3716760674.

Adding to 2500900123 its reverse (3210090052), we get a palindrome (5710990175).

The spelling of 2500900123 in words is "two billion, five hundred million, nine hundred thousand, one hundred twenty-three".