1021242323 has 4 divisors (see below), whose sum is σ = 1026533928. Its totient is φ = 1015950720.

The previous prime is 1021242311. The next prime is 1021242349. The reversal of 1021242323 is 3232421201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1021242323 - 2⁶ = 1021242259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021242295 and 1021242304.

It is not an unprimeable number, because it can be changed into a prime (1021242353) 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, 2645513 + ... + 2645898.

It is an arithmetic number, because the mean of its divisors is an integer number (256633482).

Almost surely, 2^1021242323 is an apocalyptic number.

1021242323 is a deficient number, since it is larger than the sum of its proper divisors (5291605).

1021242323 is an equidigital number, since it uses as much as digits as its factorization.

1021242323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291604.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1021242323 is about 31956.8822478038. The cubic root of 1021242323 is about 1007.0312204030.

Adding to 1021242323 its reverse (3232421201), we get a palindrome (4253663524).

The spelling of 1021242323 in words is "one billion, twenty-one million, two hundred forty-two thousand, three hundred twenty-three".