102320432101 has 4 divisors (see below), whose sum is σ = 102321273600. Its totient is φ = 102319590604.

The previous prime is 102320432077. The next prime is 102320432117. The reversal of 102320432101 is 101234023201.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101234023201 = 163 ⋅621067627.

It is a cyclic number.

It is not a de Polignac number, because 102320432101 - 2¹⁹ = 102319907813 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 (102320432141) 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, 199621 + ... + 494458.

It is an arithmetic number, because the mean of its divisors is an integer number (25580318400).

Almost surely, 2^102320432101 is an apocalyptic number.

It is an amenable number.

102320432101 is a deficient number, since it is larger than the sum of its proper divisors (841499).

102320432101 is an equidigital number, since it uses as much as digits as its factorization.

102320432101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841498.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102320432101 its reverse (101234023201), we get a palindrome (203554455302).

The spelling of 102320432101 in words is "one hundred two billion, three hundred twenty million, four hundred thirty-two thousand, one hundred one".