345402523 has 8 divisors (see below), whose sum is σ = 360609696. Its totient is φ = 330211200.

The previous prime is 345402479. The next prime is 345402529. The reversal of 345402523 is 325204543.

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 345402523 - 2²¹ = 343305371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345402491 and 345402500.

It is not an unprimeable number, because it can be changed into a prime (345402529) 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, 70803 + ... + 75523.

It is an arithmetic number, because the mean of its divisors is an integer number (45076212).

Almost surely, 2^345402523 is an apocalyptic number.

345402523 is a deficient number, since it is larger than the sum of its proper divisors (15207173).

345402523 is a wasteful number, since it uses less digits than its factorization.

345402523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 345402523 is about 18585.0080172165. The cubic root of 345402523 is about 701.6305682204.

The spelling of 345402523 in words is "three hundred forty-five million, four hundred two thousand, five hundred twenty-three".