30253023 has 6 divisors (see below), whose sum is σ = 43698824. Its totient is φ = 20168676.

The previous prime is 30253021. The next prime is 30253031. The reversal of 30253023 is 32035203.

It is not a de Polignac number, because 30253023 - 2¹ = 30253021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30252987 and 30253005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30253021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1680715 + ... + 1680732.

Almost surely, 2^30253023 is an apocalyptic number.

30253023 is a deficient number, since it is larger than the sum of its proper divisors (13445801).

30253023 is a wasteful number, since it uses less digits than its factorization.

30253023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361453 (or 3361450 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 30253023 is about 5500.2748113162. The cubic root of 30253023 is about 311.5943631387.

Adding to 30253023 its reverse (32035203), we get a palindrome (62288226).

The spelling of 30253023 in words is "thirty million, two hundred fifty-three thousand, twenty-three".