345223423130 has 64 divisors (see below), whose sum is σ = 647629426080. Its totient is φ = 132335078400.

The previous prime is 345223423087. The next prime is 345223423243. The reversal of 345223423130 is 31324322543.

It can be written as a sum of positive squares in 16 ways, for example, as 38687349481 + 306536073649 = 196691^2 + 553657^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28391012 + ... + 28403168.

Almost surely, 2^345223423130 is an apocalyptic number.

345223423130 is a deficient number, since it is larger than the sum of its proper divisors (302406002950).

345223423130 is a wasteful number, since it uses less digits than its factorization.

345223423130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 345223423130 its reverse (31324322543), we get a palindrome (376547745673).

The spelling of 345223423130 in words is "three hundred forty-five billion, two hundred twenty-three million, four hundred twenty-three thousand, one hundred thirty".