102323550491 has 2 divisors, whose sum is σ = 102323550492. Its totient is φ = 102323550490.

The previous prime is 102323550481. The next prime is 102323550521. The reversal of 102323550491 is 194055323201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102323550491 - 2³⁴ = 85143681307 is a prime.

It is not a weakly prime, because it can be changed into another prime (102323550481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161775245 + 51161775246.

It is an arithmetic number, because the mean of its divisors is an integer number (51161775246).

Almost surely, 2^102323550491 is an apocalyptic number.

102323550491 is a deficient number, since it is larger than the sum of its proper divisors (1).

102323550491 is an equidigital number, since it uses as much as digits as its factorization.

102323550491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 102323550491 its reverse (194055323201), we get a palindrome (296378873692).

The spelling of 102323550491 in words is "one hundred two billion, three hundred twenty-three million, five hundred fifty thousand, four hundred ninety-one".