1223144307 has 40 divisors (see below), whose sum is σ = 2278036992. Its totient is φ = 635396400.

The previous prime is 1223144303. The next prime is 1223144311. The reversal of 1223144307 is 7034413221.

It is a happy number.

1223144307 is a `hidden beast` number, since 1 + 223 + 1 + 4 + 430 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1223144303) and next prime (1223144311).

It is not a de Polignac number, because 1223144307 - 2² = 1223144303 is a prime.

It is a super-4 number, since 4×1223144307⁴ (a number of 37 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1223144303) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91819 + ... + 104292.

Almost surely, 2^1223144307 is an apocalyptic number.

1223144307 is a deficient number, since it is larger than the sum of its proper divisors (1054892685).

1223144307 is a wasteful number, since it uses less digits than its factorization.

1223144307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196141 (or 196132 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1223144307 is about 34973.4800527485. The cubic root of 1223144307 is about 1069.4469168274.

Adding to 1223144307 its reverse (7034413221), we get a palindrome (8257557528).

It can be divided in two parts, 122314 and 4307, that added together give a palindrome (126621).

The spelling of 1223144307 in words is "one billion, two hundred twenty-three million, one hundred forty-four thousand, three hundred seven".