1123101023 has 4 divisors (see below), whose sum is σ = 1225201128. Its totient is φ = 1021000920.

The previous prime is 1123101019. The next prime is 1123101029. The reversal of 1123101023 is 3201013211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201013211 = 11 ⋅291001201.

It is a cyclic number.

It is not a de Polignac number, because 1123101023 - 2² = 1123101019 is a prime.

It is a super-2 number, since 2×1123101023² = 2522711815727293058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123100989 and 1123101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123101029) 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, 51050036 + ... + 51050057.

It is an arithmetic number, because the mean of its divisors is an integer number (306300282).

Almost surely, 2^1123101023 is an apocalyptic number.

1123101023 is a deficient number, since it is larger than the sum of its proper divisors (102100105).

1123101023 is a wasteful number, since it uses less digits than its factorization.

1123101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102100104.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1123101023 is about 33512.6994287240. The cubic root of 1123101023 is about 1039.4563921262.

Adding to 1123101023 its reverse (3201013211), we get a palindrome (4324114234).

The spelling of 1123101023 in words is "one billion, one hundred twenty-three million, one hundred one thousand, twenty-three".