345788923457 has 4 divisors (see below), whose sum is σ = 345923004720. Its totient is φ = 345654842196.

The previous prime is 345788923427. The next prime is 345788923463. The reversal of 345788923457 is 754329887543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345788923457 - 2⁶ = 345788923393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345788923393 and 345788923402.

It is not an unprimeable number, because it can be changed into a prime (345788923427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67036763 + ... + 67041920.

It is an arithmetic number, because the mean of its divisors is an integer number (86480751180).

Almost surely, 2^345788923457 is an apocalyptic number.

It is an amenable number.

345788923457 is a deficient number, since it is larger than the sum of its proper divisors (134081263).

345788923457 is a wasteful number, since it uses less digits than its factorization.

345788923457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134081262.

The product of its digits is 203212800, while the sum is 65.

The spelling of 345788923457 in words is "three hundred forty-five billion, seven hundred eighty-eight million, nine hundred twenty-three thousand, four hundred fifty-seven".