102123210421023 has 32 divisors (see below), whose sum is σ = 149076064334592. Its totient is φ = 61670707238400.

The previous prime is 102123210421021. The next prime is 102123210421181. The reversal of 102123210421023 is 320124012321201.

It is not a de Polignac number, because 102123210421023 - 2¹ = 102123210421021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102123210420984 and 102123210421002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123210421021) 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, 172111111 + ... + 172703447.

It is an arithmetic number, because the mean of its divisors is an integer number (4658627010456).

Almost surely, 2^{102123210421023} is an apocalyptic number.

102123210421023 is a deficient number, since it is larger than the sum of its proper divisors (46952853913569).

102123210421023 is a wasteful number, since it uses less digits than its factorization.

102123210421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611095.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102123210421023 its reverse (320124012321201), we get a palindrome (422247222742224).

The spelling of 102123210421023 in words is "one hundred two trillion, one hundred twenty-three billion, two hundred ten million, four hundred twenty-one thousand, twenty-three".