233421242 has 4 divisors (see below), whose sum is σ = 350131866. Its totient is φ = 116710620.

The previous prime is 233421239. The next prime is 233421247. The reversal of 233421242 is 242124332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 191573281 + 41847961 = 13841^2 + 6469^2 .

It is not an unprimeable number, because it can be changed into a prime (233421247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58355309 + ... + 58355312.

Almost surely, 2^233421242 is an apocalyptic number.

233421242 is a deficient number, since it is larger than the sum of its proper divisors (116710624).

233421242 is a wasteful number, since it uses less digits than its factorization.

233421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116710623.

The product of its digits is 2304, while the sum is 23.

The square root of 233421242 is about 15278.1295321122. The cubic root of 233421242 is about 615.7155546386.

Adding to 233421242 its reverse (242124332), we get a palindrome (475545574).

The spelling of 233421242 in words is "two hundred thirty-three million, four hundred twenty-one thousand, two hundred forty-two".