1343123400 has 96 divisors (see below), whose sum is σ = 4307313600. Its totient is φ = 345811200.

The previous prime is 1343123389. The next prime is 1343123443. The reversal of 1343123400 is 43213431.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21196 + ... + 55995.

It is an arithmetic number, because the mean of its divisors is an integer number (44867850).

Almost surely, 2^1343123400 is an apocalyptic number.

1343123400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343123400 is an abundant number, since it is smaller than the sum of its proper divisors (2964190200).

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

1343123400 is a wasteful number, since it uses less digits than its factorization.

1343123400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77239 (or 77230 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1343123400 is about 36648.6479968907. The cubic root of 1343123400 is about 1103.3296905003.

Adding to 1343123400 its reverse (43213431), we get a palindrome (1386336831).

The spelling of 1343123400 in words is "one billion, three hundred forty-three million, one hundred twenty-three thousand, four hundred".