1223331707 has 4 divisors (see below), whose sum is σ = 1317434160. Its totient is φ = 1129229256.

The previous prime is 1223331677. The next prime is 1223331709. The reversal of 1223331707 is 7071333221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7071333221 = 613 ⋅11535617.

It is a cyclic number.

It is not a de Polignac number, because 1223331707 - 2²⁰ = 1222283131 is a prime.

It is a Duffinian number.

1223331707 is a modest number, since divided by 31707 gives 12233 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1223331707.

It is not an unprimeable number, because it can be changed into a prime (1223331709) 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, 47051207 + ... + 47051232.

It is an arithmetic number, because the mean of its divisors is an integer number (329358540).

Almost surely, 2^1223331707 is an apocalyptic number.

1223331707 is a deficient number, since it is larger than the sum of its proper divisors (94102453).

1223331707 is an equidigital number, since it uses as much as digits as its factorization.

1223331707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94102452.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1223331707 is about 34976.1591230369. The cubic root of 1223331707 is about 1069.5015312929.

Adding to 1223331707 its reverse (7071333221), we get a palindrome (8294664928).

The spelling of 1223331707 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, seven hundred seven".