823265133403 has 2 divisors, whose sum is σ = 823265133404. Its totient is φ = 823265133402.

The previous prime is 823265133373. The next prime is 823265133409. The reversal of 823265133403 is 304331562328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 823265133403 - 2³³ = 814675198811 is a prime.

It is not a weakly prime, because it can be changed into another prime (823265133409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411632566701 + 411632566702.

It is an arithmetic number, because the mean of its divisors is an integer number (411632566702).

Almost surely, 2^823265133403 is an apocalyptic number.

823265133403 is a deficient number, since it is larger than the sum of its proper divisors (1).

823265133403 is an equidigital number, since it uses as much as digits as its factorization.

823265133403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 823265133403 in words is "eight hundred twenty-three billion, two hundred sixty-five million, one hundred thirty-three thousand, four hundred three".