101123032187 has 2 divisors, whose sum is σ = 101123032188. Its totient is φ = 101123032186.

The previous prime is 101123032181. The next prime is 101123032201. The reversal of 101123032187 is 781230321101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101123032187 is a prime.

It is not a weakly prime, because it can be changed into another prime (101123032181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561516093 + 50561516094.

It is an arithmetic number, because the mean of its divisors is an integer number (50561516094).

Almost surely, 2^101123032187 is an apocalyptic number.

101123032187 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123032187 is an equidigital number, since it uses as much as digits as its factorization.

101123032187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 101123032187 its reverse (781230321101), we get a palindrome (882353353288).

The spelling of 101123032187 in words is "one hundred one billion, one hundred twenty-three million, thirty-two thousand, one hundred eighty-seven".