1101321023 has 16 divisors (see below), whose sum is σ = 1263267360. Its totient is φ = 950812800.

The previous prime is 1101321017. The next prime is 1101321103. The reversal of 1101321023 is 3201231011.

It is a cyclic number.

It is not a de Polignac number, because 1101321023 - 2⁴ = 1101321007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101320989 and 1101321007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101327023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8840 + ... + 47757.

It is an arithmetic number, because the mean of its divisors is an integer number (78954210).

Almost surely, 2^1101321023 is an apocalyptic number.

1101321023 is a deficient number, since it is larger than the sum of its proper divisors (161946337).

1101321023 is a wasteful number, since it uses less digits than its factorization.

1101321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56698.

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

The square root of 1101321023 is about 33186.1570990074. The cubic root of 1101321023 is about 1032.6931821987.

Adding to 1101321023 its reverse (3201231011), we get a palindrome (4302552034).

The spelling of 1101321023 in words is "one billion, one hundred one million, three hundred twenty-one thousand, twenty-three".