823730023 has 2 divisors, whose sum is σ = 823730024. Its totient is φ = 823730022.

The previous prime is 823729993. The next prime is 823730041. The reversal of 823730023 is 320037328.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-823730023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 823729973 and 823730000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823730423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411865011 + 411865012.

It is an arithmetic number, because the mean of its divisors is an integer number (411865012).

Almost surely, 2^823730023 is an apocalyptic number.

823730023 is a deficient number, since it is larger than the sum of its proper divisors (1).

823730023 is an equidigital number, since it uses as much as digits as its factorization.

823730023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 823730023 is about 28700.6972563386. The cubic root of 823730023 is about 937.4072291727.

The spelling of 823730023 in words is "eight hundred twenty-three million, seven hundred thirty thousand, twenty-three".