345451523 has 2 divisors, whose sum is σ = 345451524. Its totient is φ = 345451522.

The previous prime is 345451501. The next prime is 345451529. The reversal of 345451523 is 325154543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345451523 - 2¹⁶ = 345385987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345451523.

It is not a weakly prime, because it can be changed into another prime (345451529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172725761 + 172725762.

It is an arithmetic number, because the mean of its divisors is an integer number (172725762).

Almost surely, 2^345451523 is an apocalyptic number.

345451523 is a deficient number, since it is larger than the sum of its proper divisors (1).

345451523 is an equidigital number, since it uses as much as digits as its factorization.

345451523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 32.

The square root of 345451523 is about 18586.3262373176. The cubic root of 345451523 is about 701.6637452336.

The spelling of 345451523 in words is "three hundred forty-five million, four hundred fifty-one thousand, five hundred twenty-three".