190045223 has 2 divisors, whose sum is σ = 190045224. Its totient is φ = 190045222.

The previous prime is 190045217. The next prime is 190045231. The reversal of 190045223 is 322540091.

It is a weak prime.

It is an emirp because it is prime and its reverse (322540091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190045223 - 2¹⁰ = 190044199 is a prime.

It is a super-2 number, since 2×190045223² = 72234373570239458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190045192 and 190045201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190045243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95022611 + 95022612.

It is an arithmetic number, because the mean of its divisors is an integer number (95022612).

Almost surely, 2^190045223 is an apocalyptic number.

190045223 is a deficient number, since it is larger than the sum of its proper divisors (1).

190045223 is an equidigital number, since it uses as much as digits as its factorization.

190045223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 190045223 is about 13785.6890651139. The cubic root of 190045223 is about 574.9353152188.

The spelling of 190045223 in words is "one hundred ninety million, forty-five thousand, two hundred twenty-three".