1023123311423 has 8 divisors (see below), whose sum is σ = 1058532073200. Its totient is φ = 987723126208.

The previous prime is 1023123311381. The next prime is 1023123311429. The reversal of 1023123311423 is 3241133213201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023123311423 - 2¹⁶ = 1023123245887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023123311392 and 1023123311401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023123311429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900958 + ... + 2379051.

It is an arithmetic number, because the mean of its divisors is an integer number (132316509150).

Almost surely, 2^{1023123311423} is an apocalyptic number.

1023123311423 is a deficient number, since it is larger than the sum of its proper divisors (35408761777).

1023123311423 is an equidigital number, since it uses as much as digits as its factorization.

1023123311423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288281.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1023123311423 its reverse (3241133213201), we get a palindrome (4264256524624).

The spelling of 1023123311423 in words is "one trillion, twenty-three billion, one hundred twenty-three million, three hundred eleven thousand, four hundred twenty-three".