345123533189 has 2 divisors, whose sum is σ = 345123533190. Its totient is φ = 345123533188.

The previous prime is 345123533059. The next prime is 345123533309. The reversal of 345123533189 is 981335321543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224552776900 + 120570756289 = 473870^2 + 347233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345123533189 is a prime.

It is a super-2 number, since 2×345123533189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345123593189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172561766594 + 172561766595.

It is an arithmetic number, because the mean of its divisors is an integer number (172561766595).

Almost surely, 2^345123533189 is an apocalyptic number.

It is an amenable number.

345123533189 is a deficient number, since it is larger than the sum of its proper divisors (1).

345123533189 is an equidigital number, since it uses as much as digits as its factorization.

345123533189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 47.

The spelling of 345123533189 in words is "three hundred forty-five billion, one hundred twenty-three million, five hundred thirty-three thousand, one hundred eighty-nine".