102321023 has 16 divisors (see below), whose sum is σ = 123832320. Its totient is φ = 82588896.

The previous prime is 102321017. The next prime is 102321029. The reversal of 102321023 is 320123201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102321017) and next prime (102321029).

It is not a de Polignac number, because 102321023 - 2⁴ = 102321007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102320989 and 102321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20786 + ... + 25232.

It is an arithmetic number, because the mean of its divisors is an integer number (7739520).

Almost surely, 2^102321023 is an apocalyptic number.

102321023 is a deficient number, since it is larger than the sum of its proper divisors (21511297).

102321023 is a wasteful number, since it uses less digits than its factorization.

102321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102321023 is about 10115.3854597835. The cubic root of 102321023 is about 467.7225310602.

Adding to 102321023 its reverse (320123201), we get a palindrome (422444224).

The spelling of 102321023 in words is "one hundred two million, three hundred twenty-one thousand, twenty-three".