123497903 has 2 divisors, whose sum is σ = 123497904. Its totient is φ = 123497902.

The previous prime is 123497873. The next prime is 123497909. The reversal of 123497903 is 309794321.

It is a strong prime.

It is an emirp because it is prime and its reverse (309794321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123497903 - 2⁶ = 123497839 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 (123497909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61748951 + 61748952.

It is an arithmetic number, because the mean of its divisors is an integer number (61748952).

Almost surely, 2^123497903 is an apocalyptic number.

123497903 is a deficient number, since it is larger than the sum of its proper divisors (1).

123497903 is an equidigital number, since it uses as much as digits as its factorization.

123497903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 123497903 is about 11112.9610365555. The cubic root of 123497903 is about 497.9891276262.

The spelling of 123497903 in words is "one hundred twenty-three million, four hundred ninety-seven thousand, nine hundred three".