190190723 has 2 divisors, whose sum is σ = 190190724. Its totient is φ = 190190722.

The previous prime is 190190669. The next prime is 190190743. The reversal of 190190723 is 327091091.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190190723 - 2¹² = 190186627 is a prime.

It is a super-2 number, since 2×190190723² = 72345022230525458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190190723.

It is not a weakly prime, because it can be changed into another prime (190190743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95095361 + 95095362.

It is an arithmetic number, because the mean of its divisors is an integer number (95095362).

Almost surely, 2^190190723 is an apocalyptic number.

190190723 is a deficient number, since it is larger than the sum of its proper divisors (1).

190190723 is an equidigital number, since it uses as much as digits as its factorization.

190190723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 190190723 is about 13790.9652671595. The cubic root of 190190723 is about 575.0820026715.

The spelling of 190190723 in words is "one hundred ninety million, one hundred ninety thousand, seven hundred twenty-three".