1243434332 has 24 divisors (see below), whose sum is σ = 2633156064. Its totient is φ = 501553152.

The previous prime is 1243434329. The next prime is 1243434373. The reversal of 1243434332 is 2334343421.

It is a super-2 number, since 2×1243434332² = 3092257875992572448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243434295 and 1243434304.

It is a congruent number.

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, 1305653 + ... + 1306604.

It is an arithmetic number, because the mean of its divisors is an integer number (109714836).

Almost surely, 2^1243434332 is an apocalyptic number.

It is an amenable number.

1243434332 is an abundant number, since it is smaller than the sum of its proper divisors (1389721732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243434332 is a wasteful number, since it uses less digits than its factorization.

1243434332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612285 (or 2612283 counting only the distinct ones).

The product of its digits is 20736, while the sum is 29.

The square root of 1243434332 is about 35262.3642429149. The cubic root of 1243434332 is about 1075.3279927951.

Adding to 1243434332 its reverse (2334343421), we get a palindrome (3577777753).

The spelling of 1243434332 in words is "one billion, two hundred forty-three million, four hundred thirty-four thousand, three hundred thirty-two".