1012323432 has 16 divisors (see below), whose sum is σ = 2530808640. Its totient is φ = 337441136.

The previous prime is 1012323421. The next prime is 1012323437. The reversal of 1012323432 is 2343232101.

1012323432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

1012323432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1012323399 and 1012323408.

It is not an unprimeable number, because it can be changed into a prime (1012323437) 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, 21090048 + ... + 21090095.

It is an arithmetic number, because the mean of its divisors is an integer number (158175540).

Almost surely, 2^1012323432 is an apocalyptic number.

1012323432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012323432 is an abundant number, since it is smaller than the sum of its proper divisors (1518485208).

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

1012323432 is a wasteful number, since it uses less digits than its factorization.

1012323432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42180152 (or 42180148 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1012323432 is about 31817.0305339766. The cubic root of 1012323432 is about 1004.0910511436.

Adding to 1012323432 its reverse (2343232101), we get a palindrome (3355555533).

The spelling of 1012323432 in words is "one billion, twelve million, three hundred twenty-three thousand, four hundred thirty-two".