102432321321 has 32 divisors (see below), whose sum is σ = 151238347776. Its totient is φ = 61146120000.

The previous prime is 102432321311. The next prime is 102432321331. The reversal of 102432321321 is 123123234201.

It is an interprime number because it is at equal distance from previous prime (102432321311) and next prime (102432321331).

It is not a de Polignac number, because 102432321321 - 2¹⁰ = 102432320297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102432321291 and 102432321300.

It is not an unprimeable number, because it can be changed into a prime (102432321311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2441695 + ... + 2483291.

It is an arithmetic number, because the mean of its divisors is an integer number (4726198368).

Almost surely, 2^102432321321 is an apocalyptic number.

102432321321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102432321321 is a deficient number, since it is larger than the sum of its proper divisors (48806026455).

102432321321 is a wasteful number, since it uses less digits than its factorization.

102432321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42733.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 102432321321 its reverse (123123234201), we get a palindrome (225555555522).

The spelling of 102432321321 in words is "one hundred two billion, four hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".