1232355452 has 6 divisors (see below), whose sum is σ = 2156622048. Its totient is φ = 616177724.

The previous prime is 1232355451. The next prime is 1232355457. The reversal of 1232355452 is 2545532321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232355451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154044428 + ... + 154044435.

It is an arithmetic number, because the mean of its divisors is an integer number (359437008).

Almost surely, 2^1232355452 is an apocalyptic number.

It is an amenable number.

1232355452 is a deficient number, since it is larger than the sum of its proper divisors (924266596).

1232355452 is a wasteful number, since it uses less digits than its factorization.

1232355452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308088867 (or 308088865 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 1232355452 is about 35104.9206237530. The cubic root of 1232355452 is about 1072.1247708322.

Adding to 1232355452 its reverse (2545532321), we get a palindrome (3777887773).

It can be divided in two parts, 12323 and 55452, that multiplied together give a triangular number (683334996 = T₃₆₉₆₈).

The spelling of 1232355452 in words is "one billion, two hundred thirty-two million, three hundred fifty-five thousand, four hundred fifty-two".