23951197 has 2 divisors, whose sum is σ = 23951198. Its totient is φ = 23951196.

The previous prime is 23951183. The next prime is 23951203. The reversal of 23951197 is 79115932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23707161 + 244036 = 4869^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 23951197 - 2¹⁵ = 23918429 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 (23951117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11975598 + 11975599.

It is an arithmetic number, because the mean of its divisors is an integer number (11975599).

Almost surely, 2^23951197 is an apocalyptic number.

It is an amenable number.

23951197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23951197 is an equidigital number, since it uses as much as digits as its factorization.

23951197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 23951197 is about 4893.9960155276. The cubic root of 23951197 is about 288.2542644259.

It can be divided in two parts, 2395 and 1197, that multiplied together give a triangular number (2866815 = T₂₃₉₄).

The spelling of 23951197 in words is "twenty-three million, nine hundred fifty-one thousand, one hundred ninety-seven".