102321012023 has 4 divisors (see below), whose sum is σ = 104498054880. Its totient is φ = 100143969168.

The previous prime is 102321011993. The next prime is 102321012043. The reversal of 102321012023 is 320210123201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320210123201 = 19 ⋅16853164379.

It is a cyclic number.

It is not a de Polignac number, because 102321012023 - 2¹⁰ = 102321010999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102321011992 and 102321012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321012043) 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, 1088521358 + ... + 1088521451.

It is an arithmetic number, because the mean of its divisors is an integer number (26124513720).

Almost surely, 2^102321012023 is an apocalyptic number.

102321012023 is a deficient number, since it is larger than the sum of its proper divisors (2177042857).

102321012023 is an equidigital number, since it uses as much as digits as its factorization.

102321012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177042856.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102321012023 its reverse (320210123201), we get a palindrome (422531135224).

The spelling of 102321012023 in words is "one hundred two billion, three hundred twenty-one million, twelve thousand, twenty-three".