223687152461 has 2 divisors, whose sum is σ = 223687152462. Its totient is φ = 223687152460.

The previous prime is 223687152457. The next prime is 223687152503. The reversal of 223687152461 is 164251786322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203969656900 + 19717495561 = 451630^2 + 140419^2 .

It is a cyclic number.

It is not a de Polignac number, because 223687152461 - 2² = 223687152457 is a prime.

It is a super-2 number, since 2×223687152461² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223687152061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111843576230 + 111843576231.

It is an arithmetic number, because the mean of its divisors is an integer number (111843576231).

Almost surely, 2^223687152461 is an apocalyptic number.

It is an amenable number.

223687152461 is a deficient number, since it is larger than the sum of its proper divisors (1).

223687152461 is an equidigital number, since it uses as much as digits as its factorization.

223687152461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The spelling of 223687152461 in words is "two hundred twenty-three billion, six hundred eighty-seven million, one hundred fifty-two thousand, four hundred sixty-one".