1203023340 has 60 divisors (see below), whose sum is σ = 3773933856. Its totient is φ = 320805792.

The previous prime is 1203023317. The next prime is 1203023347. The reversal of 1203023340 is 433203021.

1203023340 is a `hidden beast` number, since 1 + 20 + 302 + 3 + 340 = 666.

1203023340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1203023347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 369684 + ... + 372923.

Almost surely, 2^1203023340 is an apocalyptic number.

1203023340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203023340 is an abundant number, since it is smaller than the sum of its proper divisors (2570910516).

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

1203023340 is a wasteful number, since it uses less digits than its factorization.

1203023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742628 (or 742617 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1203023340 is about 34684.6268539824. The cubic root of 1203023340 is about 1063.5502591227.

Adding to 1203023340 its reverse (433203021), we get a palindrome (1636226361).

The spelling of 1203023340 in words is "one billion, two hundred three million, twenty-three thousand, three hundred forty".