1011323442123 has 6 divisors (see below), whose sum is σ = 1460800527524. Its totient is φ = 674215628076.

The previous prime is 1011323442119. The next prime is 1011323442139. The reversal of 1011323442123 is 3212443231101.

1011323442123 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 3 + 234 + 421 + 2 + 3 = 666.

It is not a de Polignac number, because 1011323442123 - 2² = 1011323442119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011323442823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56184635665 + ... + 56184635682.

Almost surely, 2^{1011323442123} is an apocalyptic number.

1011323442123 is a deficient number, since it is larger than the sum of its proper divisors (449477085401).

1011323442123 is a wasteful number, since it uses less digits than its factorization.

1011323442123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112369271353 (or 112369271350 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1011323442123 its reverse (3212443231101), we get a palindrome (4223766673224).

The spelling of 1011323442123 in words is "one trillion, eleven billion, three hundred twenty-three million, four hundred forty-two thousand, one hundred twenty-three".