242311973 has 4 divisors (see below), whose sum is σ = 242523648. Its totient is φ = 242100300.

The previous prime is 242311967. The next prime is 242311981. The reversal of 242311973 is 379113242.

242311973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 379113242 = 2 ⋅189556621.

It is a cyclic number.

It is not a de Polignac number, because 242311973 - 2²² = 238117669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242311933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104111 + ... + 106412.

It is an arithmetic number, because the mean of its divisors is an integer number (60630912).

Almost surely, 2^242311973 is an apocalyptic number.

It is an amenable number.

242311973 is a deficient number, since it is larger than the sum of its proper divisors (211675).

242311973 is a wasteful number, since it uses less digits than its factorization.

242311973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211674.

The product of its digits is 9072, while the sum is 32.

The square root of 242311973 is about 15566.3731485533. The cubic root of 242311973 is about 623.4356379946.

The spelling of 242311973 in words is "two hundred forty-two million, three hundred eleven thousand, nine hundred seventy-three".