23130122987 has 2 divisors, whose sum is σ = 23130122988. Its totient is φ = 23130122986.

The previous prime is 23130122959. The next prime is 23130123011. The reversal of 23130122987 is 78922103132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23130122987 - 2²⁶ = 23063014123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23130122987.

It is not a weakly prime, because it can be changed into another prime (23130122087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565061493 + 11565061494.

It is an arithmetic number, because the mean of its divisors is an integer number (11565061494).

Almost surely, 2^23130122987 is an apocalyptic number.

23130122987 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130122987 is an equidigital number, since it uses as much as digits as its factorization.

23130122987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 23130122987 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-two thousand, nine hundred eighty-seven".