1223143102 has 4 divisors (see below), whose sum is σ = 1834714656. Its totient is φ = 611571550.

The previous prime is 1223143049. The next prime is 1223143111. The reversal of 1223143102 is 2013413221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2013413221 = 8209 ⋅245269.

It is a self number, because there is not a number n which added to its sum of digits gives 1223143102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305785774 + ... + 305785777.

It is an arithmetic number, because the mean of its divisors is an integer number (458678664).

Almost surely, 2^1223143102 is an apocalyptic number.

1223143102 is a deficient number, since it is larger than the sum of its proper divisors (611571554).

1223143102 is an equidigital number, since it uses as much as digits as its factorization.

1223143102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611571553.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1223143102 is about 34973.4628254052. The cubic root of 1223143102 is about 1069.4465656331.

Adding to 1223143102 its reverse (2013413221), we get a palindrome (3236556323).

The spelling of 1223143102 in words is "one billion, two hundred twenty-three million, one hundred forty-three thousand, one hundred two".