2656467323623 has 2 divisors, whose sum is σ = 2656467323624. Its totient is φ = 2656467323622.

The previous prime is 2656467323611. The next prime is 2656467323633. The reversal of 2656467323623 is 3263237646562.

2656467323623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2656467323623 - 2⁴¹ = 457444068071 is a prime.

It is a super-2 number, since 2×2656467323623² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2656467323603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328233661811 + 1328233661812.

It is an arithmetic number, because the mean of its divisors is an integer number (1328233661812).

Almost surely, 2^{2656467323623} is an apocalyptic number.

2656467323623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656467323623 is an equidigital number, since it uses as much as digits as its factorization.

2656467323623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 55.

The spelling of 2656467323623 in words is "two trillion, six hundred fifty-six billion, four hundred sixty-seven million, three hundred twenty-three thousand, six hundred twenty-three".