1023223043312 has 20 divisors (see below), whose sum is σ = 2001742170480. Its totient is φ = 506644418688.

The previous prime is 1023223043309. The next prime is 1023223043317. The reversal of 1023223043312 is 2133403223201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023223043317) 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, 310442237 + ... + 310445532.

It is an arithmetic number, because the mean of its divisors is an integer number (100087108524).

Almost surely, 2^{1023223043312} is an apocalyptic number.

It is an amenable number.

1023223043312 is a deficient number, since it is larger than the sum of its proper divisors (978519127168).

1023223043312 is a wasteful number, since it uses less digits than its factorization.

1023223043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620887880 (or 620887874 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1023223043312 its reverse (2133403223201), we get a palindrome (3156626266513).

The spelling of 1023223043312 in words is "one trillion, twenty-three billion, two hundred twenty-three million, forty-three thousand, three hundred twelve".