102357973 has 2 divisors, whose sum is σ = 102357974. Its totient is φ = 102357972.

The previous prime is 102357971. The next prime is 102358013. The reversal of 102357973 is 379753201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65658609 + 36699364 = 8103^2 + 6058^2 .

It is an emirp because it is prime and its reverse (379753201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102357973 - 2¹ = 102357971 is a prime.

Together with 102357971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102357971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51178986 + 51178987.

It is an arithmetic number, because the mean of its divisors is an integer number (51178987).

Almost surely, 2^102357973 is an apocalyptic number.

It is an amenable number.

102357973 is a deficient number, since it is larger than the sum of its proper divisors (1).

102357973 is an equidigital number, since it uses as much as digits as its factorization.

102357973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 102357973 is about 10117.2117206274. The cubic root of 102357973 is about 467.7788253489.

It can be divided in two parts, 1023 and 57973, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 102357973 in words is "one hundred two million, three hundred fifty-seven thousand, nine hundred seventy-three".