1023442404011 has 4 divisors (see below), whose sum is σ = 1023803664312. Its totient is φ = 1023081143712.

The previous prime is 1023442403999. The next prime is 1023442404029. The reversal of 1023442404011 is 1104042443201.

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 1023442404011 - 2²⁶ = 1023375295147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023442404041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180625901 + ... + 180631566.

It is an arithmetic number, because the mean of its divisors is an integer number (255950916078).

Almost surely, 2^{1023442404011} is an apocalyptic number.

1023442404011 is a deficient number, since it is larger than the sum of its proper divisors (361260301).

1023442404011 is an equidigital number, since it uses as much as digits as its factorization.

1023442404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361260300.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1023442404011 its reverse (1104042443201), we get a palindrome (2127484847212).

The spelling of 1023442404011 in words is "one trillion, twenty-three billion, four hundred forty-two million, four hundred four thousand, eleven".