102321324 has 36 divisors (see below), whose sum is σ = 295595664. Its totient is φ = 29234592.

The previous prime is 102321311. The next prime is 102321343. The reversal of 102321324 is 423123201.

102321324 is nontrivially palindromic in base 13.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×102321324² = 20939306690225952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102321297 and 102321306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202767 + ... + 203270.

Almost surely, 2^102321324 is an apocalyptic number.

102321324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102321324 is an abundant number, since it is smaller than the sum of its proper divisors (193274340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102321324 is a wasteful number, since it uses less digits than its factorization.

102321324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406054 (or 406049 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102321324 is about 10115.4003380983. The cubic root of 102321324 is about 467.7229896963.

Adding to 102321324 its reverse (423123201), we get a palindrome (525444525).

The spelling of 102321324 in words is "one hundred two million, three hundred twenty-one thousand, three hundred twenty-four".