10621823 has 2 divisors, whose sum is σ = 10621824. Its totient is φ = 10621822.

The previous prime is 10621789. The next prime is 10621843. The reversal of 10621823 is 32812601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10621823 - 2¹² = 10617727 is a prime.

It is a super-2 number, since 2×10621823² = 225646247686658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10621843) 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, 5310911 + 5310912.

It is an arithmetic number, because the mean of its divisors is an integer number (5310912).

Almost surely, 2^10621823 is an apocalyptic number.

10621823 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621823 is an equidigital number, since it uses as much as digits as its factorization.

10621823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10621823 is about 3259.1138366126. The cubic root of 10621823 is about 219.8195696936.

The spelling of 10621823 in words is "ten million, six hundred twenty-one thousand, eight hundred twenty-three".