23489261 has 2 divisors, whose sum is σ = 23489262. Its totient is φ = 23489260.

The previous prime is 23489251. The next prime is 23489287. The reversal of 23489261 is 16298432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19307236 + 4182025 = 4394^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 23489261 - 2¹⁴ = 23472877 is a prime.

It is a super-2 number, since 2×23489261² = 1103490764652242, which contains 22 as substring.

It is equal to p_1477097 and since 23489261 and 1477097 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23489201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11744630 + 11744631.

It is an arithmetic number, because the mean of its divisors is an integer number (11744631).

Almost surely, 2^23489261 is an apocalyptic number.

It is an amenable number.

23489261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23489261 is an equidigital number, since it uses as much as digits as its factorization.

23489261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 23489261 is about 4846.5720875687. The cubic root of 23489261 is about 286.3890779323.

The spelling of 23489261 in words is "twenty-three million, four hundred eighty-nine thousand, two hundred sixty-one".