249950023 has 2 divisors, whose sum is σ = 249950024. Its totient is φ = 249950022.

The previous prime is 249949979. The next prime is 249950047. The reversal of 249950023 is 320059942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249950023 - 2¹³ = 249941831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249950423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124975011 + 124975012.

It is an arithmetic number, because the mean of its divisors is an integer number (124975012).

Almost surely, 2^249950023 is an apocalyptic number.

249950023 is a deficient number, since it is larger than the sum of its proper divisors (1).

249950023 is an equidigital number, since it uses as much as digits as its factorization.

249950023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 249950023 is about 15809.8078103436. The cubic root of 249950023 is about 629.9185441003.

The spelling of 249950023 in words is "two hundred forty-nine million, nine hundred fifty thousand, twenty-three".