123086903 has 2 divisors, whose sum is σ = 123086904. Its totient is φ = 123086902.

The previous prime is 123086897. The next prime is 123086917. The reversal of 123086903 is 309680321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123086903 - 2¹² = 123082807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123086903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123086993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61543451 + 61543452.

It is an arithmetic number, because the mean of its divisors is an integer number (61543452).

Almost surely, 2^123086903 is an apocalyptic number.

123086903 is a deficient number, since it is larger than the sum of its proper divisors (1).

123086903 is an equidigital number, since it uses as much as digits as its factorization.

123086903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 123086903 is about 11094.4537044417. The cubic root of 123086903 is about 497.4360790917.

The spelling of 123086903 in words is "one hundred twenty-three million, eighty-six thousand, nine hundred three".