1120321023 has 16 divisors (see below), whose sum is σ = 1531589472. Its totient is φ = 728000000.

The previous prime is 1120320991. The next prime is 1120321031. The reversal of 1120321023 is 3201230211.

It is a cyclic number.

It is not a de Polignac number, because 1120321023 - 2⁵ = 1120320991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120320993 and 1120321011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120321043) 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, 156523 + ... + 163523.

It is an arithmetic number, because the mean of its divisors is an integer number (95724342).

Almost surely, 2^1120321023 is an apocalyptic number.

1120321023 is a deficient number, since it is larger than the sum of its proper divisors (411268449).

1120321023 is a wasteful number, since it uses less digits than its factorization.

1120321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1120321023 is about 33471.1969161546. The cubic root of 1120321023 is about 1038.5980317273.

Adding to 1120321023 its reverse (3201230211), we get a palindrome (4321551234).

The spelling of 1120321023 in words is "one billion, one hundred twenty million, three hundred twenty-one thousand, twenty-three".