233121424 has 10 divisors (see below), whose sum is σ = 451672790. Its totient is φ = 116560704.

The previous prime is 233121409. The next prime is 233121439. The reversal of 233121424 is 424121332.

It is an interprime number because it is at equal distance from previous prime (233121409) and next prime (233121439).

It can be written as a sum of positive squares in only one way, i.e., 131515024 + 101606400 = 11468^2 + 10080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233121395 and 233121404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7285029 + ... + 7285060.

It is an arithmetic number, because the mean of its divisors is an integer number (45167279).

Almost surely, 2^233121424 is an apocalyptic number.

It is an amenable number.

233121424 is a deficient number, since it is larger than the sum of its proper divisors (218551366).

233121424 is a wasteful number, since it uses less digits than its factorization.

233121424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14570097 (or 14570091 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 233121424 is about 15268.3143797867. The cubic root of 233121424 is about 615.4518229996.

Adding to 233121424 its reverse (424121332), we get a palindrome (657242756).

The spelling of 233121424 in words is "two hundred thirty-three million, one hundred twenty-one thousand, four hundred twenty-four".