1022012323 has 4 divisors (see below), whose sum is σ = 1023607368. Its totient is φ = 1020417280.

The previous prime is 1022012317. The next prime is 1022012357. The reversal of 1022012323 is 3232102201.

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 1022012323 - 2¹⁷ = 1021881251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022012297 and 1022012306.

It is not an unprimeable number, because it can be changed into a prime (1022012363) 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, 796561 + ... + 797842.

It is an arithmetic number, because the mean of its divisors is an integer number (255901842).

Almost surely, 2^1022012323 is an apocalyptic number.

1022012323 is a deficient number, since it is larger than the sum of its proper divisors (1595045).

1022012323 is an equidigital number, since it uses as much as digits as its factorization.

1022012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595044.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022012323 is about 31968.9274608955. The cubic root of 1022012323 is about 1007.2842518402.

Adding to 1022012323 its reverse (3232102201), we get a palindrome (4254114524).

The spelling of 1022012323 in words is "one billion, twenty-two million, twelve thousand, three hundred twenty-three".