12353353640477 has 2 divisors, whose sum is σ = 12353353640478. Its totient is φ = 12353353640476.

The previous prime is 12353353640471. The next prime is 12353353640483. The reversal of 12353353640477 is 77404635335321.

12353353640477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12353353640471) and next prime (12353353640483).

It can be written as a sum of positive squares in only one way, i.e., 7352020754521 + 5001332885956 = 2711461^2 + 2236366^2 .

It is a cyclic number.

It is not a de Polignac number, because 12353353640477 - 2¹² = 12353353636381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12353353640471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6176676820238 + 6176676820239.

It is an arithmetic number, because the mean of its divisors is an integer number (6176676820239).

Almost surely, 2^{12353353640477} is an apocalyptic number.

It is an amenable number.

12353353640477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12353353640477 is an equidigital number, since it uses as much as digits as its factorization.

12353353640477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 53.

Adding to 12353353640477 its reverse (77404635335321), we get a palindrome (89757988975798).

The spelling of 12353353640477 in words is "twelve trillion, three hundred fifty-three billion, three hundred fifty-three million, six hundred forty thousand, four hundred seventy-seven".