30623401 has 4 divisors (see below), whose sum is σ = 30664404. Its totient is φ = 30582400.

The previous prime is 30623393. The next prime is 30623407. The reversal of 30623401 is 10432603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10432603 = 313 ⋅33331.

It can be written as a sum of positive squares in 2 ways, for example, as 811801 + 29811600 = 901^2 + 5460^2 .

It is a cyclic number.

It is not a de Polignac number, because 30623401 - 2³ = 30623393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30623407) 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 3 ways as a sum of consecutive naturals, for example, 19360 + ... + 20881.

It is an arithmetic number, because the mean of its divisors is an integer number (7666101).

Almost surely, 2^30623401 is an apocalyptic number.

It is an amenable number.

30623401 is a deficient number, since it is larger than the sum of its proper divisors (41003).

30623401 is an equidigital number, since it uses as much as digits as its factorization.

30623401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41002.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30623401 is about 5533.8414324952. The cubic root of 30623401 is about 312.8607920395.

The spelling of 30623401 in words is "thirty million, six hundred twenty-three thousand, four hundred one".