1203231000 has 64 divisors (see below), whose sum is σ = 3754090080. Its totient is φ = 320860800.

The previous prime is 1203230989. The next prime is 1203231011. The reversal of 1203231000 is 1323021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1203230989) and next prime (1203231011).

It is a super-2 number, since 2×1203231000² = 2895529678722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197539 + ... + 203538.

Almost surely, 2^1203231000 is an apocalyptic number.

1203231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203231000 is an abundant number, since it is smaller than the sum of its proper divisors (2550859080).

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

1203231000 is a wasteful number, since it uses less digits than its factorization.

1203231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401101 (or 401087 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1203231000 is about 34687.6202700618. The cubic root of 1203231000 is about 1063.6114505484.

Adding to 1203231000 its reverse (1323021), we get a palindrome (1204554021).

The spelling of 1203231000 in words is "one billion, two hundred three million, two hundred thirty-one thousand".