290027923 has 2 divisors, whose sum is σ = 290027924. Its totient is φ = 290027922.

The previous prime is 290027911. The next prime is 290027957. The reversal of 290027923 is 329720092.

It is an a-pointer prime, because the next prime (290027957) can be obtained adding 290027923 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290027923 - 2²¹ = 287930771 is a prime.

It is a super-2 number, since 2×290027923² = 168232392239387858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (290027993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145013961 + 145013962.

It is an arithmetic number, because the mean of its divisors is an integer number (145013962).

Almost surely, 2^290027923 is an apocalyptic number.

290027923 is a deficient number, since it is larger than the sum of its proper divisors (1).

290027923 is an equidigital number, since it uses as much as digits as its factorization.

290027923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 290027923 is about 17030.2061937018. The cubic root of 290027923 is about 661.9318384076.

The spelling of 290027923 in words is "two hundred ninety million, twenty-seven thousand, nine hundred twenty-three".