3423256543120 has 40 divisors (see below), whose sum is σ = 7979852399616. Its totient is φ = 1365727402368.

The previous prime is 3423256543097. The next prime is 3423256543121. The reversal of 3423256543120 is 213456523243.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3423256543121) 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, 55831902 + ... + 55893181.

Almost surely, 2^{3423256543120} is an apocalyptic number.

It is an amenable number.

3423256543120 is an abundant number, since it is smaller than the sum of its proper divisors (4556595856496).

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

3423256543120 is a wasteful number, since it uses less digits than its factorization.

3423256543120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111725479 (or 111725473 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 3423256543120 in words is "three trillion, four hundred twenty-three billion, two hundred fifty-six million, five hundred forty-three thousand, one hundred twenty".