1403231232 has 176 divisors, whose sum is σ = 4130878752. Its totient is φ = 420741120.

The previous prime is 1403231171. The next prime is 1403231239. The reversal of 1403231232 is 2321323041.

It is a junction number, because it is equal to n+sod(n) for n = 1403231199 and 1403231208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403231239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636948 + ... + 1637804.

It is an arithmetic number, because the mean of its divisors is an integer number (23470902).

Almost surely, 2^1403231232 is an apocalyptic number.

1403231232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2065439376).

1403231232 is an abundant number, since it is smaller than the sum of its proper divisors (2727647520).

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

1403231232 is a wasteful number, since it uses less digits than its factorization.

1403231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 916 counting only the distinct ones).

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

The square root of 1403231232 is about 37459.7281356926. The cubic root of 1403231232 is about 1119.5489340095.

Adding to 1403231232 its reverse (2321323041), we get a palindrome (3724554273).

The spelling of 1403231232 in words is "one billion, four hundred three million, two hundred thirty-one thousand, two hundred thirty-two".