53430623 has 4 divisors (see below), whose sum is σ = 54107040. Its totient is φ = 52754208.

The previous prime is 53430599. The next prime is 53430647. The reversal of 53430623 is 32603435.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53430599) and next prime (53430647).

It is a cyclic number.

It is not a de Polignac number, because 53430623 - 2⁸ = 53430367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53430592 and 53430601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338090 + ... + 338247.

It is an arithmetic number, because the mean of its divisors is an integer number (13526760).

Almost surely, 2^53430623 is an apocalyptic number.

53430623 is a deficient number, since it is larger than the sum of its proper divisors (676417).

53430623 is an equidigital number, since it uses as much as digits as its factorization.

53430623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676416.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 53430623 is about 7309.6253665971. The cubic root of 53430623 is about 376.6431552227.

The spelling of 53430623 in words is "fifty-three million, four hundred thirty thousand, six hundred twenty-three".