233142361 has 3 divisors (see below), whose sum is σ = 233157631. Its totient is φ = 233127092.

The previous prime is 233142347. The next prime is 233142449. The reversal of 233142361 is 163241332.

The square root of 233142361 is 15269.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 105452361 + 127690000 = 10269^2 + 11300^2 .

It is not a de Polignac number, because 233142361 - 2⁹ = 233141849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233142311) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7635 + ... + 22903.

Almost surely, 2^233142361 is an apocalyptic number.

233142361 is the 15269-th square number.

233142361 is the 7635-th centered octagonal number.

It is an amenable number.

233142361 is a deficient number, since it is larger than the sum of its proper divisors (15270).

233142361 is an frugal number, since it uses more digits than its factorization.

233142361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30538 (or 15269 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The cubic root of 233142361 is about 615.4702473452.

Multiplying 233142361 by its sum of digits (25), we get a square (5828559025 = 76345²).

Adding to 233142361 its reverse (163241332), we get a palindrome (396383693).

The spelling of 233142361 in words is "two hundred thirty-three million, one hundred forty-two thousand, three hundred sixty-one".