348256223477 has 4 divisors (see below), whose sum is σ = 348849505536. Its totient is φ = 347662941420.

The previous prime is 348256223467. The next prime is 348256223507. The reversal of 348256223477 is 774322652843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774322652843 = 6547 ⋅118271369.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348256223477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348256223467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296640149 + ... + 296641322.

It is an arithmetic number, because the mean of its divisors is an integer number (87212376384).

Almost surely, 2^348256223477 is an apocalyptic number.

It is an amenable number.

348256223477 is a deficient number, since it is larger than the sum of its proper divisors (593282059).

348256223477 is an equidigital number, since it uses as much as digits as its factorization.

348256223477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593282058.

The product of its digits is 13547520, while the sum is 53.

The spelling of 348256223477 in words is "three hundred forty-eight billion, two hundred fifty-six million, two hundred twenty-three thousand, four hundred seventy-seven".