1023340442330 has 32 divisors (see below), whose sum is σ = 1922275127808. Its totient is φ = 391503340800.

The previous prime is 1023340442329. The next prime is 1023340442359. The reversal of 1023340442330 is 332440433201.

It is a junction number, because it is equal to n+sod(n) for n = 1023340442293 and 1023340442302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404850 + ... + 2798210.

It is an arithmetic number, because the mean of its divisors is an integer number (60071097744).

Almost surely, 2^{1023340442330} is an apocalyptic number.

1023340442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023340442330 is a deficient number, since it is larger than the sum of its proper divisors (898934685478).

1023340442330 is a wasteful number, since it uses less digits than its factorization.

1023340442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404702.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 1023340442330 its reverse (332440433201), we get a palindrome (1355780875531).

The spelling of 1023340442330 in words is "one trillion, twenty-three billion, three hundred forty million, four hundred forty-two thousand, three hundred thirty".