23223961 has 2 divisors, whose sum is σ = 23223962. Its totient is φ = 23223960.

The previous prime is 23223923. The next prime is 23223973. The reversal of 23223961 is 16932232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20647936 + 2576025 = 4544^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223961 - 2¹⁷ = 23092889 is a prime.

It is not a weakly prime, because it can be changed into another prime (23226961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611980 + 11611981.

It is an arithmetic number, because the mean of its divisors is an integer number (11611981).

Almost surely, 2^23223961 is an apocalyptic number.

It is an amenable number.

23223961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223961 is an equidigital number, since it uses as much as digits as its factorization.

23223961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 23223961 is about 4819.1245055508. The cubic root of 23223961 is about 285.3067836330.

The spelling of 23223961 in words is "twenty-three million, two hundred twenty-three thousand, nine hundred sixty-one".