1021122323 has 8 divisors (see below), whose sum is σ = 1164356928. Its totient is φ = 887128704.

The previous prime is 1021122313. The next prime is 1021122359. The reversal of 1021122323 is 3232211201.

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 1021122323 - 2⁶ = 1021122259 is a prime.

It is a super-3 number, since 3×1021122323³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1021122313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310011 + ... + 2310452.

It is an arithmetic number, because the mean of its divisors is an integer number (145544616).

Almost surely, 2^1021122323 is an apocalyptic number.

1021122323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1021122323 is a deficient number, since it is larger than the sum of its proper divisors (143234605).

1021122323 is a wasteful number, since it uses less digits than its factorization.

1021122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620493.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1021122323 is about 31955.0046628067. The cubic root of 1021122323 is about 1006.9917754782.

Adding to 1021122323 its reverse (3232211201), we get a palindrome (4253333524).

The spelling of 1021122323 in words is "one billion, twenty-one million, one hundred twenty-two thousand, three hundred twenty-three".