345446123684 has 12 divisors (see below), whose sum is σ = 604614300444. Its totient is φ = 172699180704.

The previous prime is 345446123647. The next prime is 345446123717. The reversal of 345446123684 is 486321644543.

It can be written as a sum of positive squares in 2 ways, for example, as 145520886784 + 199925236900 = 381472^2 + 447130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5937719 + ... + 5995614.

It is an arithmetic number, because the mean of its divisors is an integer number (50384525037).

Almost surely, 2^345446123684 is an apocalyptic number.

It is an amenable number.

345446123684 is a deficient number, since it is larger than the sum of its proper divisors (259168176760).

345446123684 is a wasteful number, since it uses less digits than its factorization.

345446123684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940574 (or 11940572 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 50.

The spelling of 345446123684 in words is "three hundred forty-five billion, four hundred forty-six million, one hundred twenty-three thousand, six hundred eighty-four".