1225313323 has 8 divisors (see below), whose sum is σ = 1326479616. Its totient is φ = 1125134400.

The previous prime is 1225313303. The next prime is 1225313351. The reversal of 1225313323 is 3233135221.

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

It is not a de Polignac number, because 1225313323 - 2²⁹ = 688442411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225313303) 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, 244258 + ... + 249223.

It is an arithmetic number, because the mean of its divisors is an integer number (165809952).

Almost surely, 2^1225313323 is an apocalyptic number.

1225313323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1225313323 is a deficient number, since it is larger than the sum of its proper divisors (101166293).

1225313323 is a wasteful number, since it uses less digits than its factorization.

1225313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493685.

The product of its digits is 3240, while the sum is 25.

The square root of 1225313323 is about 35004.4757566800. The cubic root of 1225313323 is about 1070.0786977375.

Adding to 1225313323 its reverse (3233135221), we get a palindrome (4458448544).

The spelling of 1225313323 in words is "one billion, two hundred twenty-five million, three hundred thirteen thousand, three hundred twenty-three".