242023693 has 2 divisors, whose sum is σ = 242023694. Its totient is φ = 242023692.

The previous prime is 242023673. The next prime is 242023703. The reversal of 242023693 is 396320242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222069604 + 19954089 = 14902^2 + 4467^2 .

It is a cyclic number.

It is not a de Polignac number, because 242023693 - 2¹⁷ = 241892621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242023643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121011846 + 121011847.

It is an arithmetic number, because the mean of its divisors is an integer number (121011847).

Almost surely, 2^242023693 is an apocalyptic number.

It is an amenable number.

242023693 is a deficient number, since it is larger than the sum of its proper divisors (1).

242023693 is an equidigital number, since it uses as much as digits as its factorization.

242023693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 242023693 is about 15557.1106893279. The cubic root of 242023693 is about 623.1883048514.

The spelling of 242023693 in words is "two hundred forty-two million, twenty-three thousand, six hundred ninety-three".