340255655623 has 8 divisors (see below), whose sum is σ = 366495543008. Its totient is φ = 314025250464.

The previous prime is 340255655617. The next prime is 340255655651. The reversal of 340255655623 is 326556552043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340255655623 is a prime.

It is a super-2 number, since 2×340255655623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340255655023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295936 + ... + 2439637.

It is an arithmetic number, because the mean of its divisors is an integer number (45811942876).

Almost surely, 2^340255655623 is an apocalyptic number.

340255655623 is a deficient number, since it is larger than the sum of its proper divisors (26239887385).

340255655623 is a wasteful number, since it uses less digits than its factorization.

340255655623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741113.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 340255655623 in words is "three hundred forty billion, two hundred fifty-five million, six hundred fifty-five thousand, six hundred twenty-three".