100142023987 has 2 divisors, whose sum is σ = 100142023988. Its totient is φ = 100142023986.

The previous prime is 100142023951. The next prime is 100142024027. The reversal of 100142023987 is 789320241001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100142023987 - 2⁷ = 100142023859 is a prime.

It is not a weakly prime, because it can be changed into another prime (100142023907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50071011993 + 50071011994.

It is an arithmetic number, because the mean of its divisors is an integer number (50071011994).

Almost surely, 2^100142023987 is an apocalyptic number.

100142023987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100142023987 is an equidigital number, since it uses as much as digits as its factorization.

100142023987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 100142023987 its reverse (789320241001), we get a palindrome (889462264988).

The spelling of 100142023987 in words is "one hundred billion, one hundred forty-two million, twenty-three thousand, nine hundred eighty-seven".