102363204857 has 4 divisors (see below), whose sum is σ = 102365334900. Its totient is φ = 102361074816.

The previous prime is 102363204833. The next prime is 102363204871. The reversal of 102363204857 is 758402363201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28894560256 + 73468644601 = 169984^2 + 271051^2 .

It is a cyclic number.

It is not a de Polignac number, because 102363204857 - 2⁶ = 102363204793 is a prime.

It is a super-2 number, since 2×102363204857² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102363204557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991232 + ... + 1089617.

It is an arithmetic number, because the mean of its divisors is an integer number (25591333725).

Almost surely, 2^102363204857 is an apocalyptic number.

It is an amenable number.

102363204857 is a deficient number, since it is larger than the sum of its proper divisors (2130043).

102363204857 is an equidigital number, since it uses as much as digits as its factorization.

102363204857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130042.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 102363204857 in words is "one hundred two billion, three hundred sixty-three million, two hundred four thousand, eight hundred fifty-seven".