345727658423 has 8 divisors (see below), whose sum is σ = 399029377440. Its totient is φ = 293403952800.

The previous prime is 345727658389. The next prime is 345727658443. The reversal of 345727658423 is 324856727543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345727658423 - 2³⁴ = 328547789239 is a prime.

It is a super-2 number, since 2×345727658423² (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 (345727658443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244502588 + ... + 244504001.

It is an arithmetic number, because the mean of its divisors is an integer number (49878672180).

Almost surely, 2^345727658423 is an apocalyptic number.

345727658423 is a deficient number, since it is larger than the sum of its proper divisors (53301719017).

345727658423 is a wasteful number, since it uses less digits than its factorization.

345727658423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489006697.

The product of its digits is 33868800, while the sum is 56.

The spelling of 345727658423 in words is "three hundred forty-five billion, seven hundred twenty-seven million, six hundred fifty-eight thousand, four hundred twenty-three".