23955287 has 2 divisors, whose sum is σ = 23955288. Its totient is φ = 23955286.

The previous prime is 23955277. The next prime is 23955307. The reversal of 23955287 is 78255932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23955287 - 2⁶ = 23955223 is a prime.

It is a super-3 number, since 3×23955287³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23955277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11977643 + 11977644.

It is an arithmetic number, because the mean of its divisors is an integer number (11977644).

Almost surely, 2^23955287 is an apocalyptic number.

23955287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23955287 is an equidigital number, since it uses as much as digits as its factorization.

23955287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 23955287 is about 4894.4138566329. The cubic root of 23955287 is about 288.2706713002.

It can be divided in two parts, 23955 and 287, that added together give a palindrome (24242).

The spelling of 23955287 in words is "twenty-three million, nine hundred fifty-five thousand, two hundred eighty-seven".