23070251 has 2 divisors, whose sum is σ = 23070252. Its totient is φ = 23070250.

The previous prime is 23070227. The next prime is 23070259. The reversal of 23070251 is 15207032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23070251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23070259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11535125 + 11535126.

It is an arithmetic number, because the mean of its divisors is an integer number (11535126).

Almost surely, 2^23070251 is an apocalyptic number.

23070251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23070251 is an equidigital number, since it uses as much as digits as its factorization.

23070251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 23070251 is about 4803.1501121660. The cubic root of 23070251 is about 284.6759464445.

Adding to 23070251 its reverse (15207032), we get a palindrome (38277283).

The spelling of 23070251 in words is "twenty-three million, seventy thousand, two hundred fifty-one".