123450253 has 2 divisors, whose sum is σ = 123450254. Its totient is φ = 123450252.

The previous prime is 123450233. The next prime is 123450259. The reversal of 123450253 is 352054321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78801129 + 44649124 = 8877^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 123450253 - 2¹³ = 123442061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123450259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61725126 + 61725127.

It is an arithmetic number, because the mean of its divisors is an integer number (61725127).

Almost surely, 2^123450253 is an apocalyptic number.

It is an amenable number.

123450253 is a deficient number, since it is larger than the sum of its proper divisors (1).

123450253 is an equidigital number, since it uses as much as digits as its factorization.

123450253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 123450253 is about 11110.8169366613. The cubic root of 123450253 is about 497.9250719246.

The spelling of 123450253 in words is "one hundred twenty-three million, four hundred fifty thousand, two hundred fifty-three".