102345420503 has 2 divisors, whose sum is σ = 102345420504. Its totient is φ = 102345420502.

The previous prime is 102345420469. The next prime is 102345420511. The reversal of 102345420503 is 305024543201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102345420503 - 2¹⁶ = 102345354967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102345420553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51172710251 + 51172710252.

It is an arithmetic number, because the mean of its divisors is an integer number (51172710252).

Almost surely, 2^102345420503 is an apocalyptic number.

102345420503 is a deficient number, since it is larger than the sum of its proper divisors (1).

102345420503 is an equidigital number, since it uses as much as digits as its factorization.

102345420503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 102345420503 its reverse (305024543201), we get a palindrome (407369963704).

The spelling of 102345420503 in words is "one hundred two billion, three hundred forty-five million, four hundred twenty thousand, five hundred three".