102523243231 has 2 divisors, whose sum is σ = 102523243232. Its totient is φ = 102523243230.

The previous prime is 102523243177. The next prime is 102523243243. The reversal of 102523243231 is 132342325201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102523243231 - 2⁷ = 102523243103 is a prime.

It is a super-2 number, since 2×102523243231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102523243231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102523243261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51261621615 + 51261621616.

It is an arithmetic number, because the mean of its divisors is an integer number (51261621616).

Almost surely, 2^102523243231 is an apocalyptic number.

102523243231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102523243231 is an equidigital number, since it uses as much as digits as its factorization.

102523243231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 102523243231 its reverse (132342325201), we get a palindrome (234865568432).

The spelling of 102523243231 in words is "one hundred two billion, five hundred twenty-three million, two hundred forty-three thousand, two hundred thirty-one".