242403111 has 40 divisors (see below), whose sum is σ = 379076544. Its totient is φ = 154206720.

The previous prime is 242403107. The next prime is 242403113. The reversal of 242403111 is 111304242.

It is not a de Polignac number, because 242403111 - 2² = 242403107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242403113) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 155311 + ... + 156863.

Almost surely, 2^242403111 is an apocalyptic number.

242403111 is a deficient number, since it is larger than the sum of its proper divisors (136673433).

242403111 is a wasteful number, since it uses less digits than its factorization.

242403111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 242403111 is about 15569.3002732942. The cubic root of 242403111 is about 623.5137900761.

Adding to 242403111 its reverse (111304242), we get a palindrome (353707353).

The spelling of 242403111 in words is "two hundred forty-two million, four hundred three thousand, one hundred eleven".