23872297 has 2 divisors, whose sum is σ = 23872298. Its totient is φ = 23872296.

The previous prime is 23872279. The next prime is 23872337. The reversal of 23872297 is 79227832.

Together with previous prime (23872279) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (23872337) can be obtained adding 23872297 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 793881 = 4804^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 23872297 - 2⁷ = 23872169 is a prime.

It is not a weakly prime, because it can be changed into another prime (23872237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11936148 + 11936149.

It is an arithmetic number, because the mean of its divisors is an integer number (11936149).

Almost surely, 2^23872297 is an apocalyptic number.

It is an amenable number.

23872297 is a deficient number, since it is larger than the sum of its proper divisors (1).

23872297 is an equidigital number, since it uses as much as digits as its factorization.

23872297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 23872297 is about 4885.9284685718. The cubic root of 23872297 is about 287.9373939597.

The spelling of 23872297 in words is "twenty-three million, eight hundred seventy-two thousand, two hundred ninety-seven".