242373853 has 2 divisors, whose sum is σ = 242373854. Its totient is φ = 242373852.

The previous prime is 242373847. The next prime is 242373871. The reversal of 242373853 is 358373242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162486009 + 79887844 = 12747^2 + 8938^2 .

It is a cyclic number.

It is not a de Polignac number, because 242373853 - 2⁵ = 242373821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242373353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121186926 + 121186927.

It is an arithmetic number, because the mean of its divisors is an integer number (121186927).

Almost surely, 2^242373853 is an apocalyptic number.

It is an amenable number.

242373853 is a deficient number, since it is larger than the sum of its proper divisors (1).

242373853 is an equidigital number, since it uses as much as digits as its factorization.

242373853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 242373853 is about 15568.3606394508. The cubic root of 242373853 is about 623.4887030761.

The spelling of 242373853 in words is "two hundred forty-two million, three hundred seventy-three thousand, eight hundred fifty-three".