345961523 has 2 divisors, whose sum is σ = 345961524. Its totient is φ = 345961522.

The previous prime is 345961493. The next prime is 345961541. The reversal of 345961523 is 325169543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345961523 - 2⁶ = 345961459 is a prime.

It is not a weakly prime, because it can be changed into another prime (345961573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172980761 + 172980762.

It is an arithmetic number, because the mean of its divisors is an integer number (172980762).

Almost surely, 2^345961523 is an apocalyptic number.

345961523 is a deficient number, since it is larger than the sum of its proper divisors (1).

345961523 is an equidigital number, since it uses as much as digits as its factorization.

345961523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 345961523 is about 18600.0409408152. The cubic root of 345961523 is about 702.0088708927.

The spelling of 345961523 in words is "three hundred forty-five million, nine hundred sixty-one thousand, five hundred twenty-three".