23072279 has 2 divisors, whose sum is σ = 23072280. Its totient is φ = 23072278.

The previous prime is 23072267. The next prime is 23072293. The reversal of 23072279 is 97227032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23072279 - 2²⁴ = 6295063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23072239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11536139 + 11536140.

It is an arithmetic number, because the mean of its divisors is an integer number (11536140).

Almost surely, 2^23072279 is an apocalyptic number.

23072279 is a deficient number, since it is larger than the sum of its proper divisors (1).

23072279 is an equidigital number, since it uses as much as digits as its factorization.

23072279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 23072279 is about 4803.3612189799. The cubic root of 23072279 is about 284.6842877193.

The spelling of 23072279 in words is "twenty-three million, seventy-two thousand, two hundred seventy-nine".