1223240671 has 8 divisors (see below), whose sum is σ = 1277046144. Its totient is φ = 1169487000.

The previous prime is 1223240597. The next prime is 1223240723. The reversal of 1223240671 is 1760423221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223240671 - 2²⁹ = 686369759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223240771) 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, 39960 + ... + 63586.

It is an arithmetic number, because the mean of its divisors is an integer number (159630768).

Almost surely, 2^1223240671 is an apocalyptic number.

1223240671 is a deficient number, since it is larger than the sum of its proper divisors (53805473).

1223240671 is a wasteful number, since it uses less digits than its factorization.

1223240671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25901.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1223240671 is about 34974.8576980665. The cubic root of 1223240671 is about 1069.4750011332.

Adding to 1223240671 its reverse (1760423221), we get a palindrome (2983663892).

The spelling of 1223240671 in words is "one billion, two hundred twenty-three million, two hundred forty thousand, six hundred seventy-one".