823315703002623 has 12 divisors (see below), whose sum is σ = 1189235679599448. Its totient is φ = 548876264701200.

The previous prime is 823315703002621. The next prime is 823315703002649. The reversal of 823315703002623 is 326200307513328.

823315703002623 is a `hidden beast` number, since 8 + 2 + 3 + 3 + 1 + 570 + 30 + 0 + 26 + 23 = 666.

It is not a de Polignac number, because 823315703002623 - 2¹ = 823315703002621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823315703002621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66537453 + ... + 77934998.

It is an arithmetic number, because the mean of its divisors is an integer number (99102973299954).

Almost surely, 2^{823315703002623} is an apocalyptic number.

823315703002623 is a deficient number, since it is larger than the sum of its proper divisors (365919976596825).

823315703002623 is a wasteful number, since it uses less digits than its factorization.

823315703002623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145105654 (or 145105651 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 823315703002623 in words is "eight hundred twenty-three trillion, three hundred fifteen billion, seven hundred three million, two thousand, six hundred twenty-three".