190923377 has 2 divisors, whose sum is σ = 190923378. Its totient is φ = 190923376.

The previous prime is 190923361. The next prime is 190923433. The reversal of 190923377 is 773329091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109851361 + 81072016 = 10481^2 + 9004^2 .

It is a cyclic number.

It is not a de Polignac number, because 190923377 - 2⁴ = 190923361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190923977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95461688 + 95461689.

It is an arithmetic number, because the mean of its divisors is an integer number (95461689).

Almost surely, 2^190923377 is an apocalyptic number.

It is an amenable number.

190923377 is a deficient number, since it is larger than the sum of its proper divisors (1).

190923377 is an equidigital number, since it uses as much as digits as its factorization.

190923377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 190923377 is about 13817.5025601590. The cubic root of 190923377 is about 575.8195014187.

The spelling of 190923377 in words is "one hundred ninety million, nine hundred twenty-three thousand, three hundred seventy-seven".