345220572326 has 32 divisors (see below), whose sum is σ = 603034798080. Its totient is φ = 145171007136.

The previous prime is 345220572317. The next prime is 345220572337. The reversal of 345220572326 is 623275022543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941006 + ... + 1255361.

It is an arithmetic number, because the mean of its divisors is an integer number (18844837440).

Almost surely, 2^345220572326 is an apocalyptic number.

345220572326 is a deficient number, since it is larger than the sum of its proper divisors (257814225754).

345220572326 is a wasteful number, since it uses less digits than its factorization.

345220572326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196588.

The product of its (nonzero) digits is 604800, while the sum is 41.

Adding to 345220572326 its reverse (623275022543), we get a palindrome (968495594869).

The spelling of 345220572326 in words is "three hundred forty-five billion, two hundred twenty million, five hundred seventy-two thousand, three hundred twenty-six".