345568123298 has 4 divisors (see below), whose sum is σ = 518352184950. Its totient is φ = 172784061648.

The previous prime is 345568123291. The next prime is 345568123321. The reversal of 345568123298 is 892321865543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892321865543 = 367 ⋅2431394729.

It can be written as a sum of positive squares in only one way, i.e., 345552338569 + 15784729 = 587837^2 + 3973^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345568123291) 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, 86392030823 + ... + 86392030826.

Almost surely, 2^345568123298 is an apocalyptic number.

345568123298 is a deficient number, since it is larger than the sum of its proper divisors (172784061652).

345568123298 is a wasteful number, since it uses less digits than its factorization.

345568123298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172784061651.

The product of its digits is 12441600, while the sum is 56.

The spelling of 345568123298 in words is "three hundred forty-five billion, five hundred sixty-eight million, one hundred twenty-three thousand, two hundred ninety-eight".