1123023413 has 8 divisors (see below), whose sum is σ = 1148577408. Its totient is φ = 1097631184.

The previous prime is 1123023373. The next prime is 1123023427. The reversal of 1123023413 is 3143203211.

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 1123023413 - 2¹⁰ = 1123022389 is a prime.

It is a super-2 number, since 2×1123023413² = 2522363172292337138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123823413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26345 + ... + 54222.

It is an arithmetic number, because the mean of its divisors is an integer number (143572176).

Almost surely, 2^1123023413 is an apocalyptic number.

It is an amenable number.

1123023413 is a deficient number, since it is larger than the sum of its proper divisors (25553995).

1123023413 is an equidigital number, since it uses as much as digits as its factorization.

1123023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80883.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123023413 is about 33511.5414894630. The cubic root of 1123023413 is about 1039.4324482816.

Adding to 1123023413 its reverse (3143203211), we get a palindrome (4266226624).

It can be divided in two parts, 11230 and 23413, that added together give a palindrome (34643).

The spelling of 1123023413 in words is "one billion, one hundred twenty-three million, twenty-three thousand, four hundred thirteen".