103123432987 has 2 divisors, whose sum is σ = 103123432988. Its totient is φ = 103123432986.

The previous prime is 103123432949. The next prime is 103123433041. The reversal of 103123432987 is 789234321301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103123432987 - 2²³ = 103115044379 is a prime.

It is not a weakly prime, because it can be changed into another prime (103123232987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51561716493 + 51561716494.

It is an arithmetic number, because the mean of its divisors is an integer number (51561716494).

Almost surely, 2^103123432987 is an apocalyptic number.

103123432987 is a deficient number, since it is larger than the sum of its proper divisors (1).

103123432987 is an equidigital number, since it uses as much as digits as its factorization.

103123432987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 103123432987 in words is "one hundred three billion, one hundred twenty-three million, four hundred thirty-two thousand, nine hundred eighty-seven".