242212523 has 8 divisors (see below), whose sum is σ = 281506560. Its totient is φ = 204091560.

The previous prime is 242212519. The next prime is 242212561. The reversal of 242212523 is 325212242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242212523 - 2² = 242212519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242212723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292823 + ... + 293648.

It is an arithmetic number, because the mean of its divisors is an integer number (35188320).

Almost surely, 2^242212523 is an apocalyptic number.

242212523 is a deficient number, since it is larger than the sum of its proper divisors (39294037).

242212523 is an equidigital number, since it uses as much as digits as its factorization.

242212523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586537.

The product of its digits is 1920, while the sum is 23.

The square root of 242212523 is about 15563.1784350113. The cubic root of 242212523 is about 623.3503358976.

Adding to 242212523 its reverse (325212242), we get a palindrome (567424765).

The spelling of 242212523 in words is "two hundred forty-two million, two hundred twelve thousand, five hundred twenty-three".