1623473 has 2 divisors, whose sum is σ = 1623474. Its totient is φ = 1623472.

The previous prime is 1623467. The next prime is 1623487. The reversal of 1623473 is 3743261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1385329 + 238144 = 1177^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623473 - 2¹⁰ = 1622449 is a prime.

It is equal to p₁₂₂₇₈₆ and since 1623473 and 122786 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1623403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811736 + 811737.

It is an arithmetic number, because the mean of its divisors is an integer number (811737).

2^1623473 is an apocalyptic number.

It is an amenable number.

1623473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623473 is an equidigital number, since it uses as much as digits as its factorization.

1623473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 1623473 is about 1274.1557989508. The cubic root of 1623473 is about 117.5298973265.

The spelling of 1623473 in words is "one million, six hundred twenty-three thousand, four hundred seventy-three".