23542969 has 2 divisors, whose sum is σ = 23542970. Its totient is φ = 23542968.

The previous prime is 23542951. The next prime is 23542993. The reversal of 23542969 is 96924532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 1075369 = 4740^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 23542969 - 2¹¹ = 23540921 is a prime.

It is a super-2 number, since 2×23542969² = 1108542778669922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23542949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771484 + 11771485.

It is an arithmetic number, because the mean of its divisors is an integer number (11771485).

Almost surely, 2^23542969 is an apocalyptic number.

It is an amenable number.

23542969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23542969 is an equidigital number, since it uses as much as digits as its factorization.

23542969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The square root of 23542969 is about 4852.1097473161. The cubic root of 23542969 is about 286.6071871970.

The spelling of 23542969 in words is "twenty-three million, five hundred forty-two thousand, nine hundred sixty-nine".