242929123 has 2 divisors, whose sum is σ = 242929124. Its totient is φ = 242929122.

The previous prime is 242929121. The next prime is 242929129. The reversal of 242929123 is 321929242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242929123 - 2¹ = 242929121 is a prime.

Together with 242929121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242929121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121464561 + 121464562.

It is an arithmetic number, because the mean of its divisors is an integer number (121464562).

Almost surely, 2^242929123 is an apocalyptic number.

242929123 is a deficient number, since it is larger than the sum of its proper divisors (1).

242929123 is an equidigital number, since it uses as much as digits as its factorization.

242929123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 242929123 is about 15586.1837214887. The cubic root of 242929123 is about 623.9644701924.

The spelling of 242929123 in words is "two hundred forty-two million, nine hundred twenty-nine thousand, one hundred twenty-three".