1343123421003 has 64 divisors (see below), whose sum is σ = 2593058872320. Its totient is φ = 666786525696.

The previous prime is 1343123420987. The next prime is 1343123421053. The reversal of 1343123421003 is 3001243213431.

It is a happy number.

1343123421003 is a `hidden beast` number, since 1 + 3 + 4 + 312 + 342 + 1 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 1343123421003 - 2⁴ = 1343123420987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1343123421053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16036225 + ... + 16119762.

It is an arithmetic number, because the mean of its divisors is an integer number (40516544880).

Almost surely, 2^{1343123421003} is an apocalyptic number.

1343123421003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1343123421003 is a deficient number, since it is larger than the sum of its proper divisors (1249935451317).

1343123421003 is a wasteful number, since it uses less digits than its factorization.

1343123421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32156033 (or 32156027 counting only the distinct ones).

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

Adding to 1343123421003 its reverse (3001243213431), we get a palindrome (4344366634434).

The spelling of 1343123421003 in words is "one trillion, three hundred forty-three billion, one hundred twenty-three million, four hundred twenty-one thousand, three".