245911223 has 2 divisors, whose sum is σ = 245911224. Its totient is φ = 245911222.

The previous prime is 245911217. The next prime is 245911241. The reversal of 245911223 is 322119542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245911223 - 2⁴ = 245911207 is a prime.

It is a super-3 number, since 3×245911223³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245911123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122955611 + 122955612.

It is an arithmetic number, because the mean of its divisors is an integer number (122955612).

Almost surely, 2^245911223 is an apocalyptic number.

245911223 is a deficient number, since it is larger than the sum of its proper divisors (1).

245911223 is an equidigital number, since it uses as much as digits as its factorization.

245911223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 245911223 is about 15681.5567785855. The cubic root of 245911223 is about 626.5072723792.

The spelling of 245911223 in words is "two hundred forty-five million, nine hundred eleven thousand, two hundred twenty-three".