1023002100187 has 2 divisors, whose sum is σ = 1023002100188. Its totient is φ = 1023002100186.

The previous prime is 1023002100161. The next prime is 1023002100199. The reversal of 1023002100187 is 7810012003201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023002100187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023002100287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511501050093 + 511501050094.

It is an arithmetic number, because the mean of its divisors is an integer number (511501050094).

Almost surely, 2^{1023002100187} is an apocalyptic number.

1023002100187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023002100187 is an equidigital number, since it uses as much as digits as its factorization.

1023002100187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 1023002100187 its reverse (7810012003201), we get a palindrome (8833014103388).

The spelling of 1023002100187 in words is "one trillion, twenty-three billion, two million, one hundred thousand, one hundred eighty-seven".