345232543 has 2 divisors, whose sum is σ = 345232544. Its totient is φ = 345232542.

The previous prime is 345232519. The next prime is 345232561.

345232543 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345232543 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345233543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172616271 + 172616272.

It is an arithmetic number, because the mean of its divisors is an integer number (172616272).

Almost surely, 2^345232543 is an apocalyptic number.

345232543 is a deficient number, since it is larger than the sum of its proper divisors (1).

345232543 is an equidigital number, since it uses as much as digits as its factorization.

345232543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 31.

The square root of 345232543 is about 18580.4344136514. The cubic root of 345232543 is about 701.5154535109.

The spelling of 345232543 in words is "three hundred forty-five million, two hundred thirty-two thousand, five hundred forty-three".