345805572383 has 4 divisors (see below), whose sum is σ = 348978100680. Its totient is φ = 342633044088.

The previous prime is 345805572379. The next prime is 345805572391. The reversal of 345805572383 is 383275508543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345805572383 - 2² = 345805572379 is a prime.

It is a super-2 number, since 2×345805572383² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345805572323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586263985 + ... + 1586264202.

It is an arithmetic number, because the mean of its divisors is an integer number (87244525170).

Almost surely, 2^345805572383 is an apocalyptic number.

345805572383 is a deficient number, since it is larger than the sum of its proper divisors (3172528297).

345805572383 is a wasteful number, since it uses less digits than its factorization.

345805572383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172528296.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 345805572383 in words is "three hundred forty-five billion, eight hundred five million, five hundred seventy-two thousand, three hundred eighty-three".