190223351 has 2 divisors, whose sum is σ = 190223352. Its totient is φ = 190223350.

The previous prime is 190223339. The next prime is 190223393. The reversal of 190223351 is 153322091.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190223351 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190223351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95111675 + 95111676.

It is an arithmetic number, because the mean of its divisors is an integer number (95111676).

Almost surely, 2^190223351 is an apocalyptic number.

190223351 is a deficient number, since it is larger than the sum of its proper divisors (1).

190223351 is an equidigital number, since it uses as much as digits as its factorization.

190223351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 190223351 is about 13792.1481648074. The cubic root of 190223351 is about 575.1148866846.

The spelling of 190223351 in words is "one hundred ninety million, two hundred twenty-three thousand, three hundred fifty-one".