253235123 has 2 divisors, whose sum is σ = 253235124. Its totient is φ = 253235122.

The previous prime is 253235119. The next prime is 253235149. The reversal of 253235123 is 321532352.

It is an a-pointer prime, because the next prime (253235149) can be obtained adding 253235123 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253235123 - 2² = 253235119 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 253235092 and 253235101.

It is not a weakly prime, because it can be changed into another prime (253235023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126617561 + 126617562.

It is an arithmetic number, because the mean of its divisors is an integer number (126617562).

Almost surely, 2^253235123 is an apocalyptic number.

253235123 is a deficient number, since it is larger than the sum of its proper divisors (1).

253235123 is an equidigital number, since it uses as much as digits as its factorization.

253235123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 253235123 is about 15913.3630323700. The cubic root of 253235123 is about 632.6662203286. Note that the first 3 decimals are identical.

Adding to 253235123 its reverse (321532352), we get a palindrome (574767475).

The spelling of 253235123 in words is "two hundred fifty-three million, two hundred thirty-five thousand, one hundred twenty-three".