261233232334 has 8 divisors (see below), whose sum is σ = 391858872048. Its totient is φ = 130613608320.

The previous prime is 261233232287. The next prime is 261233232391. The reversal of 261233232334 is 433232332162.

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

It is a self number, because there is not a number n which added to its sum of digits gives 261233232334.

It is a congruent number.

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, 1393747 + ... + 1570030.

It is an arithmetic number, because the mean of its divisors is an integer number (48982359006).

Almost surely, 2^261233232334 is an apocalyptic number.

261233232334 is a deficient number, since it is larger than the sum of its proper divisors (130625639714).

261233232334 is a wasteful number, since it uses less digits than its factorization.

261233232334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007850.

The product of its digits is 93312, while the sum is 34.

Adding to 261233232334 its reverse (433232332162), we get a palindrome (694465564496).

The spelling of 261233232334 in words is "two hundred sixty-one billion, two hundred thirty-three million, two hundred thirty-two thousand, three hundred thirty-four".