223126551006257 has 2 divisors, whose sum is σ = 223126551006258. Its totient is φ = 223126551006256.

The previous prime is 223126551006209. The next prime is 223126551006263. The reversal of 223126551006257 is 752600155621322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200367535455376 + 22759015550881 = 14155124^2 + 4770641^2 .

It is a cyclic number.

It is not a de Polignac number, because 223126551006257 - 2²⁸ = 223126282570801 is a prime.

It is a super-3 number, since 3×223126551006257³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223126551006277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111563275503128 + 111563275503129.

It is an arithmetic number, because the mean of its divisors is an integer number (111563275503129).

Almost surely, 2^{223126551006257} is an apocalyptic number.

It is an amenable number.

223126551006257 is a deficient number, since it is larger than the sum of its proper divisors (1).

223126551006257 is an equidigital number, since it uses as much as digits as its factorization.

223126551006257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 223126551006257 in words is "two hundred twenty-three trillion, one hundred twenty-six billion, five hundred fifty-one million, six thousand, two hundred fifty-seven".