1223000031308 has 24 divisors (see below), whose sum is σ = 2335188731904. Its totient is φ = 555820893200.

The previous prime is 1223000031293. The next prime is 1223000031313. The reversal of 1223000031308 is 8031300003221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924460 + ... + 2479827.

It is an arithmetic number, because the mean of its divisors is an integer number (97299530496).

Almost surely, 2^{1223000031308} is an apocalyptic number.

It is an amenable number.

1223000031308 is a deficient number, since it is larger than the sum of its proper divisors (1112188700596).

1223000031308 is a wasteful number, since it uses less digits than its factorization.

1223000031308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410613 (or 4410611 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1223000031308 its reverse (8031300003221), we get a palindrome (9254300034529).

The spelling of 1223000031308 in words is "one trillion, two hundred twenty-three billion, thirty-one thousand, three hundred eight".