1623358523 has 2 divisors, whose sum is σ = 1623358524. Its totient is φ = 1623358522.

The previous prime is 1623358519. The next prime is 1623358531. The reversal of 1623358523 is 3258533261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1623358523 - 2² = 1623358519 is a prime.

It is not a weakly prime, because it can be changed into another prime (1623388523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811679261 + 811679262.

It is an arithmetic number, because the mean of its divisors is an integer number (811679262).

Almost surely, 2^1623358523 is an apocalyptic number.

1623358523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623358523 is an equidigital number, since it uses as much as digits as its factorization.

1623358523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 1623358523 is about 40290.9235808761. The cubic root of 1623358523 is about 1175.2713477436.

The spelling of 1623358523 in words is "one billion, six hundred twenty-three million, three hundred fifty-eight thousand, five hundred twenty-three".