102305023451 has 2 divisors, whose sum is σ = 102305023452. Its totient is φ = 102305023450.

The previous prime is 102305023409. The next prime is 102305023487. The reversal of 102305023451 is 154320503201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102305023451 - 2¹⁰ = 102305022427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102305023451.

It is not a weakly prime, because it can be changed into another prime (102305023351) 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, 51152511725 + 51152511726.

It is an arithmetic number, because the mean of its divisors is an integer number (51152511726).

Almost surely, 2^102305023451 is an apocalyptic number.

102305023451 is a deficient number, since it is larger than the sum of its proper divisors (1).

102305023451 is an equidigital number, since it uses as much as digits as its factorization.

102305023451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 102305023451 its reverse (154320503201), we get a palindrome (256625526652).

The spelling of 102305023451 in words is "one hundred two billion, three hundred five million, twenty-three thousand, four hundred fifty-one".