102135623393 has 2 divisors, whose sum is σ = 102135623394. Its totient is φ = 102135623392.

The previous prime is 102135623339. The next prime is 102135623411. The reversal of 102135623393 is 393326531201.

It is a happy number.

Together with previous prime (102135623339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65315002624 + 36820620769 = 255568^2 + 191887^2 .

It is a cyclic number.

It is not a de Polignac number, because 102135623393 - 2⁶ = 102135623329 is a prime.

It is not a weakly prime, because it can be changed into another prime (102135623593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51067811696 + 51067811697.

It is an arithmetic number, because the mean of its divisors is an integer number (51067811697).

Almost surely, 2^102135623393 is an apocalyptic number.

It is an amenable number.

102135623393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102135623393 is an equidigital number, since it uses as much as digits as its factorization.

102135623393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 38.

The spelling of 102135623393 in words is "one hundred two billion, one hundred thirty-five million, six hundred twenty-three thousand, three hundred ninety-three".