1223143352 has 8 divisors (see below), whose sum is σ = 2293393800. Its totient is φ = 611571672.

The previous prime is 1223143343. The next prime is 1223143367. The reversal of 1223143352 is 2533413221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76446452 + ... + 76446467.

It is an arithmetic number, because the mean of its divisors is an integer number (286674225).

Almost surely, 2^1223143352 is an apocalyptic number.

It is an amenable number.

1223143352 is a deficient number, since it is larger than the sum of its proper divisors (1070250448).

1223143352 is a wasteful number, since it uses less digits than its factorization.

1223143352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152892925 (or 152892921 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 1223143352 is about 34973.4663995435. The cubic root of 1223143352 is about 1069.4466384950.

Adding to 1223143352 its reverse (2533413221), we get a palindrome (3756556573).

The spelling of 1223143352 in words is "one billion, two hundred twenty-three million, one hundred forty-three thousand, three hundred fifty-two".