345223363613 has 2 divisors, whose sum is σ = 345223363614. Its totient is φ = 345223363612.

The previous prime is 345223363559. The next prime is 345223363621. The reversal of 345223363613 is 316363322543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336606511684 + 8616851929 = 580178^2 + 92827^2 .

It is an emirp because it is prime and its reverse (316363322543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345223363613 - 2¹⁴ = 345223347229 is a prime.

It is a super-2 number, since 2×345223363613² (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 (345223363633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172611681806 + 172611681807.

It is an arithmetic number, because the mean of its divisors is an integer number (172611681807).

Almost surely, 2^345223363613 is an apocalyptic number.

It is an amenable number.

345223363613 is a deficient number, since it is larger than the sum of its proper divisors (1).

345223363613 is an equidigital number, since it uses as much as digits as its factorization.

345223363613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 41.

The spelling of 345223363613 in words is "three hundred forty-five billion, two hundred twenty-three million, three hundred sixty-three thousand, six hundred thirteen".