3123401340000 has 120 divisors (see below), whose sum is σ = 10245381272280. Its totient is φ = 832907008000.

The previous prime is 3123401339941. The next prime is 3123401340001. The reversal of 3123401340000 is 431043213.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123401340001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25968345 + ... + 26088344.

It is an arithmetic number, because the mean of its divisors is an integer number (85378177269).

Almost surely, 2^{3123401340000} is an apocalyptic number.

3123401340000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3123401340000 is an abundant number, since it is smaller than the sum of its proper divisors (7121979932280).

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

3123401340000 is an equidigital number, since it uses as much as digits as its factorization.

3123401340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52056722 (or 52056699 counting only the distinct ones).

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

Adding to 3123401340000 its reverse (431043213), we get a palindrome (3123832383213).

The spelling of 3123401340000 in words is "three trillion, one hundred twenty-three billion, four hundred one million, three hundred forty thousand".