345740623 has 8 divisors (see below), whose sum is σ = 363165696. Its totient is φ = 328515000.

The previous prime is 345740621. The next prime is 345740653. The reversal of 345740623 is 326047543.

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

It is a cyclic number.

It is not a de Polignac number, because 345740623 - 2¹ = 345740621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345740621) 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, 46303 + ... + 53248.

It is an arithmetic number, because the mean of its divisors is an integer number (45395712).

Almost surely, 2^345740623 is an apocalyptic number.

345740623 is a deficient number, since it is larger than the sum of its proper divisors (17425073).

345740623 is a wasteful number, since it uses less digits than its factorization.

345740623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99725.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 345740623 is about 18594.1018336461. The cubic root of 345740623 is about 701.8594257797.

The spelling of 345740623 in words is "three hundred forty-five million, seven hundred forty thousand, six hundred twenty-three".