123057503 has 2 divisors, whose sum is σ = 123057504. Its totient is φ = 123057502.

The previous prime is 123057481. The next prime is 123057553. The reversal of 123057503 is 305750321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123057503 - 2⁸ = 123057247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123057553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61528751 + 61528752.

It is an arithmetic number, because the mean of its divisors is an integer number (61528752).

Almost surely, 2^123057503 is an apocalyptic number.

123057503 is a deficient number, since it is larger than the sum of its proper divisors (1).

123057503 is an equidigital number, since it uses as much as digits as its factorization.

123057503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 123057503 is about 11093.1286389368. The cubic root of 123057503 is about 497.3964708017.

The spelling of 123057503 in words is "one hundred twenty-three million, fifty-seven thousand, five hundred three".