242623042 has 8 divisors (see below), whose sum is σ = 364417596. Its totient is φ = 121150512.

The previous prime is 242623037. The next prime is 242623057. The reversal of 242623042 is 240326242.

It can be written as a sum of positive squares in 2 ways, for example, as 214944921 + 27678121 = 14661^2 + 5261^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 242622998 and 242623016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78613 + ... + 81640.

Almost surely, 2^242623042 is an apocalyptic number.

242623042 is a deficient number, since it is larger than the sum of its proper divisors (121794554).

242623042 is a wasteful number, since it uses less digits than its factorization.

242623042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161012.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 242623042 is about 15576.3616419240. The cubic root of 242623042 is about 623.7023032780.

Adding to 242623042 its reverse (240326242), we get a palindrome (482949284).

The spelling of 242623042 in words is "two hundred forty-two million, six hundred twenty-three thousand, forty-two".