803261623 has 2 divisors, whose sum is σ = 803261624. Its totient is φ = 803261622.

The previous prime is 803261609. The next prime is 803261639. The reversal of 803261623 is 326162308.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803261623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803261023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401630811 + 401630812.

It is an arithmetic number, because the mean of its divisors is an integer number (401630812).

Almost surely, 2^803261623 is an apocalyptic number.

803261623 is a deficient number, since it is larger than the sum of its proper divisors (1).

803261623 is an equidigital number, since it uses as much as digits as its factorization.

803261623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 803261623 is about 28341.8704922593. The cubic root of 803261623 is about 929.5776488202.

The spelling of 803261623 in words is "eight hundred three million, two hundred sixty-one thousand, six hundred twenty-three".