1623471203 has 2 divisors, whose sum is σ = 1623471204. Its totient is φ = 1623471202.

The previous prime is 1623471191. The next prime is 1623471233. The reversal of 1623471203 is 3021743261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1623471203 - 2⁶ = 1623471139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1623471233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811735601 + 811735602.

It is an arithmetic number, because the mean of its divisors is an integer number (811735602).

Almost surely, 2^1623471203 is an apocalyptic number.

1623471203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623471203 is an equidigital number, since it uses as much as digits as its factorization.

1623471203 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 29.

The square root of 1623471203 is about 40292.3218864339. The cubic root of 1623471203 is about 1175.2985396239.

The spelling of 1623471203 in words is "one billion, six hundred twenty-three million, four hundred seventy-one thousand, two hundred three".