1023340143340 has 24 divisors (see below), whose sum is σ = 2275426907712. Its totient is φ = 385257465600.

The previous prime is 1023340143313. The next prime is 1023340143341. The reversal of 1023340143340 is 433410433201.

It is a super-2 number, since 2×1023340143340² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023340143299 and 1023340143308.

It is not an unprimeable number, because it can be changed into a prime (1023340143341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504911636 + ... + 1504912315.

It is an arithmetic number, because the mean of its divisors is an integer number (94809454488).

Almost surely, 2^{1023340143340} is an apocalyptic number.

1023340143340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023340143340 is an abundant number, since it is smaller than the sum of its proper divisors (1252086764372).

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

1023340143340 is a wasteful number, since it uses less digits than its factorization.

1023340143340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009823977 (or 3009823975 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1023340143340 its reverse (433410433201), we get a palindrome (1456750576541).

The spelling of 1023340143340 in words is "one trillion, twenty-three billion, three hundred forty million, one hundred forty-three thousand, three hundred forty".