1323021123 has 6 divisors (see below), whose sum is σ = 1911030524. Its totient is φ = 882014076.

The previous prime is 1323021097. The next prime is 1323021179. The reversal of 1323021123 is 3211203231.

It is not a de Polignac number, because 1323021123 - 2⁶ = 1323021059 is a prime.

It is a super-2 number, since 2×1323021123² = 3500769783808362258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323021096 and 1323021105.

It is not an unprimeable number, because it can be changed into a prime (1323021823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73501165 + ... + 73501182.

Almost surely, 2^1323021123 is an apocalyptic number.

1323021123 is a deficient number, since it is larger than the sum of its proper divisors (588009401).

1323021123 is a wasteful number, since it uses less digits than its factorization.

1323021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147002353 (or 147002350 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323021123 is about 36373.3573237335. The cubic root of 1323021123 is about 1097.7975554183.

Adding to 1323021123 its reverse (3211203231), we get a palindrome (4534224354).

The spelling of 1323021123 in words is "one billion, three hundred twenty-three million, twenty-one thousand, one hundred twenty-three".