102322993 has 2 divisors, whose sum is σ = 102322994. Its totient is φ = 102322992.

The previous prime is 102322963. The next prime is 102323041. The reversal of 102322993 is 399223201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86266944 + 16056049 = 9288^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 102322993 - 2²¹ = 100225841 is a prime.

It is not a weakly prime, because it can be changed into another prime (102322943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51161496 + 51161497.

It is an arithmetic number, because the mean of its divisors is an integer number (51161497).

Almost surely, 2^102322993 is an apocalyptic number.

It is an amenable number.

102322993 is a deficient number, since it is larger than the sum of its proper divisors (1).

102322993 is an equidigital number, since it uses as much as digits as its factorization.

102322993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 102322993 is about 10115.4828357326. The cubic root of 102322993 is about 467.7255327486.

It can be divided in two parts, 10232 and 2993, that added together give a square (13225 = 115²).

The spelling of 102322993 in words is "one hundred two million, three hundred twenty-two thousand, nine hundred ninety-three".