345319423 has 2 divisors, whose sum is σ = 345319424. Its totient is φ = 345319422.

The previous prime is 345319417. The next prime is 345319439. The reversal of 345319423 is 324913543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345319423 - 2¹³ = 345311231 is a prime.

It is a super-3 number, since 3×345319423³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345319463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172659711 + 172659712.

It is an arithmetic number, because the mean of its divisors is an integer number (172659712).

Almost surely, 2^345319423 is an apocalyptic number.

345319423 is a deficient number, since it is larger than the sum of its proper divisors (1).

345319423 is an equidigital number, since it uses as much as digits as its factorization.

345319423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 345319423 is about 18582.7722097646. The cubic root of 345319423 is about 701.5742955406.

The spelling of 345319423 in words is "three hundred forty-five million, three hundred nineteen thousand, four hundred twenty-three".