1023422111423 has 4 divisors (see below), whose sum is σ = 1025753369520. Its totient is φ = 1021090853328.

The previous prime is 1023422111389. The next prime is 1023422111461. The reversal of 1023422111423 is 3241112243201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023422111423 - 2³² = 1019127144127 is a prime.

It is a super-2 number, since 2×1023422111423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023422111392 and 1023422111401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023422101423) 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, 1165628390 + ... + 1165629267.

It is an arithmetic number, because the mean of its divisors is an integer number (256438342380).

Almost surely, 2^{1023422111423} is an apocalyptic number.

1023422111423 is a deficient number, since it is larger than the sum of its proper divisors (2331258097).

1023422111423 is an equidigital number, since it uses as much as digits as its factorization.

1023422111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331258096.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1023422111423 its reverse (3241112243201), we get a palindrome (4264534354624).

The spelling of 1023422111423 in words is "one trillion, twenty-three billion, four hundred twenty-two million, one hundred eleven thousand, four hundred twenty-three".