1220122323 has 24 divisors (see below), whose sum is σ = 2068611168. Its totient is φ = 678367872.

The previous prime is 1220122313. The next prime is 1220122333. The reversal of 1220122323 is 3232210221.

1220122323 is a `hidden beast` number, since 1 + 220 + 122 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (1220122313) and next prime (1220122333).

It is not a de Polignac number, because 1220122323 - 2⁸ = 1220122067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220122296 and 1220122305.

It is not an unprimeable number, because it can be changed into a prime (1220122313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259386 + ... + 264047.

It is an arithmetic number, because the mean of its divisors is an integer number (86192132).

Almost surely, 2^1220122323 is an apocalyptic number.

1220122323 is a deficient number, since it is larger than the sum of its proper divisors (848488845).

1220122323 is a wasteful number, since it uses less digits than its factorization.

1220122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523483 (or 523480 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1220122323 is about 34930.2493979073. The cubic root of 1220122323 is about 1068.5654409123.

Adding to 1220122323 its reverse (3232210221), we get a palindrome (4452332544).

The spelling of 1220122323 in words is "one billion, two hundred twenty million, one hundred twenty-two thousand, three hundred twenty-three".