10781623 has 2 divisors, whose sum is σ = 10781624. Its totient is φ = 10781622.

The previous prime is 10781611. The next prime is 10781651. The reversal of 10781623 is 32618701.

10781623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10781651) can be obtained adding 10781623 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10781623 - 2¹³ = 10773431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10781591 and 10781600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10781653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390811 + 5390812.

It is an arithmetic number, because the mean of its divisors is an integer number (5390812).

Almost surely, 2^10781623 is an apocalyptic number.

10781623 is a deficient number, since it is larger than the sum of its proper divisors (1).

10781623 is an equidigital number, since it uses as much as digits as its factorization.

10781623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10781623 is about 3283.5381831189. The cubic root of 10781623 is about 220.9164456909.

It can be divided in two parts, 1078 and 1623, that added together give a triangular number (2701 = T₇₃).

The spelling of 10781623 in words is "ten million, seven hundred eighty-one thousand, six hundred twenty-three".