223136136454757 has 2 divisors, whose sum is σ = 223136136454758. Its totient is φ = 223136136454756.

The previous prime is 223136136454711. The next prime is 223136136454769. The reversal of 223136136454757 is 757454631631322.

223136136454757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165367228911361 + 57768907543396 = 12859519^2 + 7600586^2 .

It is a cyclic number.

It is not a de Polignac number, because 223136136454757 - 2³⁴ = 223118956585573 is a prime.

It is a super-3 number, since 3×223136136454757³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223136136454696 and 223136136454705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223136136424757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111568068227378 + 111568068227379.

It is an arithmetic number, because the mean of its divisors is an integer number (111568068227379).

Almost surely, 2^{223136136454757} is an apocalyptic number.

It is an amenable number.

223136136454757 is a deficient number, since it is larger than the sum of its proper divisors (1).

223136136454757 is an equidigital number, since it uses as much as digits as its factorization.

223136136454757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 59.

The spelling of 223136136454757 in words is "two hundred twenty-three trillion, one hundred thirty-six billion, one hundred thirty-six million, four hundred fifty-four thousand, seven hundred fifty-seven".