102321512423 has 32 divisors (see below), whose sum is σ = 112700078400. Its totient is φ = 92322892800.

The previous prime is 102321512411. The next prime is 102321512509. The reversal of 102321512423 is 324215123201.

It is a cyclic number.

It is not a de Polignac number, because 102321512423 - 2¹⁰ = 102321511399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102321512392 and 102321512401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321514423) 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, 126166688 + ... + 126167498.

It is an arithmetic number, because the mean of its divisors is an integer number (3521877450).

Almost surely, 2^102321512423 is an apocalyptic number.

102321512423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102321512423 is a deficient number, since it is larger than the sum of its proper divisors (10378565977).

102321512423 is a wasteful number, since it uses less digits than its factorization.

102321512423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 102321512423 its reverse (324215123201), we get a palindrome (426536635624).

The spelling of 102321512423 in words is "one hundred two billion, three hundred twenty-one million, five hundred twelve thousand, four hundred twenty-three".