123660503 has 2 divisors, whose sum is σ = 123660504. Its totient is φ = 123660502.

The previous prime is 123660497. The next prime is 123660527. The reversal of 123660503 is 305066321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123660503 - 2¹⁴ = 123644119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123690503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61830251 + 61830252.

It is an arithmetic number, because the mean of its divisors is an integer number (61830252).

Almost surely, 2^123660503 is an apocalyptic number.

123660503 is a deficient number, since it is larger than the sum of its proper divisors (1).

123660503 is an equidigital number, since it uses as much as digits as its factorization.

123660503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 123660503 is about 11120.2744120817. The cubic root of 123660503 is about 498.2075861835.

The spelling of 123660503 in words is "one hundred twenty-three million, six hundred sixty thousand, five hundred three".