1023123204323 has 32 divisors (see below), whose sum is σ = 1167675678720. Its totient is φ = 887988816000.

The previous prime is 1023123204287. The next prime is 1023123204331. The reversal of 1023123204323 is 3234023213201.

It is a happy number.

It is not a de Polignac number, because 1023123204323 - 2¹⁴ = 1023123187939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023123204292 and 1023123204301.

It is not an unprimeable number, because it can be changed into a prime (1023123204373) 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, 34386233 + ... + 34415973.

It is an arithmetic number, because the mean of its divisors is an integer number (36489864960).

Almost surely, 2^{1023123204323} is an apocalyptic number.

1023123204323 is a deficient number, since it is larger than the sum of its proper divisors (144552474397).

1023123204323 is a wasteful number, since it uses less digits than its factorization.

1023123204323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31139.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1023123204323 its reverse (3234023213201), we get a palindrome (4257146417524).

The spelling of 1023123204323 in words is "one trillion, twenty-three billion, one hundred twenty-three million, two hundred four thousand, three hundred twenty-three".