23279330261 has 16 divisors (see below), whose sum is σ = 25764801408. Its totient is φ = 20855654400.

The previous prime is 23279330257. The next prime is 23279330267. The reversal of 23279330261 is 16203397232.

It is a cyclic number.

It is not a de Polignac number, because 23279330261 - 2² = 23279330257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23279330267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226101 + ... + 2236533.

It is an arithmetic number, because the mean of its divisors is an integer number (1610300088).

Almost surely, 2^23279330261 is an apocalyptic number.

It is an amenable number.

23279330261 is a deficient number, since it is larger than the sum of its proper divisors (2485471147).

23279330261 is a wasteful number, since it uses less digits than its factorization.

23279330261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 23279330261 in words is "twenty-three billion, two hundred seventy-nine million, three hundred thirty thousand, two hundred sixty-one".