102383661 has 4 divisors (see below), whose sum is σ = 136511552. Its totient is φ = 68255772.

The previous prime is 102383657. The next prime is 102383693. The reversal of 102383661 is 166383201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102383661 - 2² = 102383657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102383621) 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, 17063941 + ... + 17063946.

It is an arithmetic number, because the mean of its divisors is an integer number (34127888).

Almost surely, 2^102383661 is an apocalyptic number.

It is an amenable number.

102383661 is a deficient number, since it is larger than the sum of its proper divisors (34127891).

102383661 is an equidigital number, since it uses as much as digits as its factorization.

102383661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34127890.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 102383661 is about 10118.4811607276. The cubic root of 102383661 is about 467.8179537041.

The spelling of 102383661 in words is "one hundred two million, three hundred eighty-three thousand, six hundred sixty-one".