1403231000 has 128 divisors (see below), whose sum is σ = 3502699200. Its totient is φ = 524339200.

The previous prime is 1403230999. The next prime is 1403231009. The reversal of 1403231000 is 1323041.

It is a super-2 number, since 2×1403231000² = 3938114478722000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403231009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3348791 + ... + 3349209.

Almost surely, 2^1403231000 is an apocalyptic number.

1403231000 is a gapful number since it is divisible by the number (10) 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 1403231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751349600).

1403231000 is an abundant number, since it is smaller than the sum of its proper divisors (2099468200).

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

1403231000 is a wasteful number, since it uses less digits than its factorization.

1403231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1403231000 is about 37459.7250390336. The cubic root of 1403231000 is about 1119.5488723101.

Adding to 1403231000 its reverse (1323041), we get a palindrome (1404554041).

The spelling of 1403231000 in words is "one billion, four hundred three million, two hundred thirty-one thousand".