102323434397 has 2 divisors, whose sum is σ = 102323434398. Its totient is φ = 102323434396.

The previous prime is 102323434393. The next prime is 102323434417. The reversal of 102323434397 is 793434323201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78411760441 + 23911673956 = 280021^2 + 154634^2 .

It is a cyclic number.

It is not a de Polignac number, because 102323434397 - 2² = 102323434393 is a prime.

It is a super-3 number, since 3×102323434397³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102323434393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161717198 + 51161717199.

It is an arithmetic number, because the mean of its divisors is an integer number (51161717199).

Almost surely, 2^102323434397 is an apocalyptic number.

It is an amenable number.

102323434397 is a deficient number, since it is larger than the sum of its proper divisors (1).

102323434397 is an equidigital number, since it uses as much as digits as its factorization.

102323434397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 41.

Adding to 102323434397 its reverse (793434323201), we get a palindrome (895757757598).

The spelling of 102323434397 in words is "one hundred two billion, three hundred twenty-three million, four hundred thirty-four thousand, three hundred ninety-seven".