345120623 has 8 divisors (see below), whose sum is σ = 353509200. Its totient is φ = 336748608.

The previous prime is 345120599. The next prime is 345120631. The reversal of 345120623 is 326021543.

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 345120623 - 2⁸ = 345120367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345120592 and 345120601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345120653) 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, 44993 + ... + 52101.

It is an arithmetic number, because the mean of its divisors is an integer number (44188650).

Almost surely, 2^345120623 is an apocalyptic number.

345120623 is a deficient number, since it is larger than the sum of its proper divisors (8388577).

345120623 is a wasteful number, since it uses less digits than its factorization.

345120623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8281.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 345120623 is about 18577.4223992458. The cubic root of 345120623 is about 701.4396378546.

The spelling of 345120623 in words is "three hundred forty-five million, one hundred twenty thousand, six hundred twenty-three".