102345673 has 2 divisors, whose sum is σ = 102345674. Its totient is φ = 102345672.

The previous prime is 102345671. The next prime is 102345689. The reversal of 102345673 is 376543201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65415744 + 36929929 = 8088^2 + 6077^2 .

It is a cyclic number.

It is not a de Polignac number, because 102345673 - 2¹ = 102345671 is a prime.

Together with 102345671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102345671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51172836 + 51172837.

It is an arithmetic number, because the mean of its divisors is an integer number (51172837).

Almost surely, 2^102345673 is an apocalyptic number.

It is an amenable number.

102345673 is a deficient number, since it is larger than the sum of its proper divisors (1).

102345673 is an equidigital number, since it uses as much as digits as its factorization.

102345673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 102345673 is about 10116.6038273721. The cubic root of 102345673 is about 467.7600874826.

Adding to 102345673 its reverse (376543201), we get a palindrome (478888874).

The spelling of 102345673 in words is "one hundred two million, three hundred forty-five thousand, six hundred seventy-three".