343921254403 has 16 divisors (see below), whose sum is σ = 357427445760. Its totient is φ = 330569013600.

The previous prime is 343921254389. The next prime is 343921254409. The reversal of 343921254403 is 304452129343.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 343921254403 - 2³⁷ = 206482300931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343921254409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6595413 + ... + 6647353.

It is an arithmetic number, because the mean of its divisors is an integer number (22339215360).

Almost surely, 2^343921254403 is an apocalyptic number.

343921254403 is a deficient number, since it is larger than the sum of its proper divisors (13506191357).

343921254403 is a wasteful number, since it uses less digits than its factorization.

343921254403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53418.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 343921254403 in words is "three hundred forty-three billion, nine hundred twenty-one million, two hundred fifty-four thousand, four hundred three".