345303320023432 has 8 divisors (see below), whose sum is σ = 647443725043950. Its totient is φ = 172651660011712.

The previous prime is 345303320023429. The next prime is 345303320023469. The reversal of 345303320023432 is 234320023303543.

It can be written as a sum of positive squares in only one way, i.e., 334940290287876 + 10363029735556 = 18301374^2 + 3219166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 345303320023391 and 345303320023400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21581457501457 + ... + 21581457501472.

Almost surely, 2^{345303320023432} is an apocalyptic number.

It is an amenable number.

345303320023432 is a deficient number, since it is larger than the sum of its proper divisors (302140405020518).

345303320023432 is a wasteful number, since it uses less digits than its factorization.

345303320023432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43162915002935 (or 43162915002931 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 37.

Adding to 345303320023432 its reverse (234320023303543), we get a palindrome (579623343326975).

The spelling of 345303320023432 in words is "three hundred forty-five trillion, three hundred three billion, three hundred twenty million, twenty-three thousand, four hundred thirty-two".