19623053 has 6 divisors (see below), whose sum is σ = 20323914. Its totient is φ = 18945584.

The previous prime is 19623041. The next prime is 19623113. The reversal of 19623053 is 35032691.

It can be written as a sum of positive squares in 3 ways, for example, as 289444 + 19333609 = 538^2 + 4397^2 .

It is not a de Polignac number, because 19623053 - 2⁶ = 19622989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19623013) 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 5 ways as a sum of consecutive naturals, for example, 10826 + ... + 12507.

It is an arithmetic number, because the mean of its divisors is an integer number (3387319).

Almost surely, 2^19623053 is an apocalyptic number.

It is an amenable number.

19623053 is a deficient number, since it is larger than the sum of its proper divisors (700861).

19623053 is an equidigital number, since it uses as much as digits as its factorization.

19623053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23391 (or 23362 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 19623053 is about 4429.7915300836. The cubic root of 19623053 is about 269.7256151722.

The spelling of 19623053 in words is "nineteen million, six hundred twenty-three thousand, fifty-three".