1223152323 has 8 divisors (see below), whose sum is σ = 1642603200. Its totient is φ = 809568168.

The previous prime is 1223152313. The next prime is 1223152331. The reversal of 1223152323 is 3232513221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223152323 - 2⁵ = 1223152291 is a prime.

It is a super-2 number, since 2×1223152323² = 2992203210520592658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223152293 and 1223152302.

It is not an unprimeable number, because it can be changed into a prime (1223152313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466193 + ... + 1467026.

It is an arithmetic number, because the mean of its divisors is an integer number (205325400).

Almost surely, 2^1223152323 is an apocalyptic number.

1223152323 is a deficient number, since it is larger than the sum of its proper divisors (419450877).

1223152323 is a wasteful number, since it uses less digits than its factorization.

1223152323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933361.

The product of its digits is 2160, while the sum is 24.

The square root of 1223152323 is about 34973.5946536812. The cubic root of 1223152323 is about 1069.4492530651.

Adding to 1223152323 its reverse (3232513221), we get a palindrome (4455665544).

The spelling of 1223152323 in words is "one billion, two hundred twenty-three million, one hundred fifty-two thousand, three hundred twenty-three".