1011123431323 has 8 divisors (see below), whose sum is σ = 1030283667936. Its totient is φ = 991966248000.

The previous prime is 1011123431321. The next prime is 1011123431389. The reversal of 1011123431323 is 3231343211101.

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 1011123431323 - 2¹ = 1011123431321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011123431321) 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, 89143 + ... + 1424848.

It is an arithmetic number, because the mean of its divisors is an integer number (128785458492).

Almost surely, 2^{1011123431323} is an apocalyptic number.

1011123431323 is a deficient number, since it is larger than the sum of its proper divisors (19160236613).

1011123431323 is a wasteful number, since it uses less digits than its factorization.

1011123431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526645.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1011123431323 its reverse (3231343211101), we get a palindrome (4242466642424).

The spelling of 1011123431323 in words is "one trillion, eleven billion, one hundred twenty-three million, four hundred thirty-one thousand, three hundred twenty-three".