123053403142987 has 2 divisors, whose sum is σ = 123053403142988. Its totient is φ = 123053403142986.

The previous prime is 123053403142973. The next prime is 123053403143029. The reversal of 123053403142987 is 789241304350321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123053403142987 is a prime.

It is not a weakly prime, because it can be changed into another prime (123053403142937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61526701571493 + 61526701571494.

It is an arithmetic number, because the mean of its divisors is an integer number (61526701571494).

Almost surely, 2^{123053403142987} is an apocalyptic number.

123053403142987 is a deficient number, since it is larger than the sum of its proper divisors (1).

123053403142987 is an equidigital number, since it uses as much as digits as its factorization.

123053403142987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 123053403142987 in words is "one hundred twenty-three trillion, fifty-three billion, four hundred three million, one hundred forty-two thousand, nine hundred eighty-seven".