1623403053 has 24 divisors (see below), whose sum is σ = 2437344000. Its totient is φ = 1079785728.

The previous prime is 1623403031. The next prime is 1623403063. The reversal of 1623403053 is 3503043261.

It is a happy number.

1623403053 is a `hidden beast` number, since 1 + 623 + 4 + 0 + 30 + 5 + 3 = 666.

It is not a de Polignac number, because 1623403053 - 2⁵ = 1623403021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623403003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101668 + ... + 116546.

It is an arithmetic number, because the mean of its divisors is an integer number (101556000).

Almost surely, 2^1623403053 is an apocalyptic number.

It is an amenable number.

1623403053 is a deficient number, since it is larger than the sum of its proper divisors (813940947).

1623403053 is an equidigital number, since it uses as much as digits as its factorization.

1623403053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343 (or 15331 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1623403053 is about 40291.4761829348. The cubic root of 1623403053 is about 1175.2820938509.

The spelling of 1623403053 in words is "one billion, six hundred twenty-three million, four hundred three thousand, fifty-three".