1623453341 has 4 divisors (see below), whose sum is σ = 1627069500. Its totient is φ = 1619837184.

The previous prime is 1623453331. The next prime is 1623453371. The reversal of 1623453341 is 1433543261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1433543261 = 31 ⋅46243331.

It can be written as a sum of positive squares in 2 ways, for example, as 357588100 + 1265865241 = 18910^2 + 35579^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623453341 - 2¹⁰ = 1623452317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1623453298 and 1623453307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623453331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807406 + ... + 1808303.

It is an arithmetic number, because the mean of its divisors is an integer number (406767375).

Almost surely, 2^1623453341 is an apocalyptic number.

It is an amenable number.

1623453341 is a deficient number, since it is larger than the sum of its proper divisors (3616159).

1623453341 is an equidigital number, since it uses as much as digits as its factorization.

1623453341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616158.

The product of its digits is 25920, while the sum is 32.

The square root of 1623453341 is about 40292.1002306904. The cubic root of 1623453341 is about 1175.2942292590.

The spelling of 1623453341 in words is "one billion, six hundred twenty-three million, four hundred fifty-three thousand, three hundred forty-one".