1130123023 has 4 divisors (see below), whose sum is σ = 1130204680. Its totient is φ = 1130041368.

The previous prime is 1130123003. The next prime is 1130123053. The reversal of 1130123023 is 3203210311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130123023 is a prime.

It is a super-2 number, since 2×1130123023² = 2554356094229317058, 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 = 1130122988 and 1130123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130123003) 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, 14340 + ... + 49657.

It is an arithmetic number, because the mean of its divisors is an integer number (282551170).

Almost surely, 2^1130123023 is an apocalyptic number.

1130123023 is a deficient number, since it is larger than the sum of its proper divisors (81657).

1130123023 is an equidigital number, since it uses as much as digits as its factorization.

1130123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81656.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1130123023 is about 33617.3024349069. The cubic root of 1130123023 is about 1041.6182348583.

Adding to 1130123023 its reverse (3203210311), we get a palindrome (4333333334).

The spelling of 1130123023 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand, twenty-three".