1023231341340 has 144 divisors (see below), whose sum is σ = 3384867158400. Its totient is φ = 248684027904.

The previous prime is 1023231341309. The next prime is 1023231341359. The reversal of 1023231341340 is 431431323201.

It is a happy number.

1023231341340 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 2 + 313 + 4 + 1 + 340 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2582725 + ... + 2952444.

Almost surely, 2^{1023231341340} is an apocalyptic number.

1023231341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023231341340 is an abundant number, since it is smaller than the sum of its proper divisors (2361635817060).

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

1023231341340 is a wasteful number, since it uses less digits than its factorization.

1023231341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535276 (or 5535271 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1023231341340 its reverse (431431323201), we get a palindrome (1454662664541).

The spelling of 1023231341340 in words is "one trillion, twenty-three billion, two hundred thirty-one million, three hundred forty-one thousand, three hundred forty".