23233121261 has 8 divisors (see below), whose sum is σ = 27706579584. Its totient is φ = 19048273200.

The previous prime is 23233121239. The next prime is 23233121273. The reversal of 23233121261 is 16212133232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23233121261 - 2³⁴ = 6053252077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23233121261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233121291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72152390 + ... + 72152711.

It is an arithmetic number, because the mean of its divisors is an integer number (3463322448).

Almost surely, 2^23233121261 is an apocalyptic number.

It is an amenable number.

23233121261 is a deficient number, since it is larger than the sum of its proper divisors (4473458323).

23233121261 is a wasteful number, since it uses less digits than its factorization.

23233121261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144305131.

The product of its digits is 2592, while the sum is 26.

Adding to 23233121261 its reverse (16212133232), we get a palindrome (39445254493).

The spelling of 23233121261 in words is "twenty-three billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred sixty-one".