30200023 has 6 divisors (see below), whose sum is σ = 35130696. Its totient is φ = 25885692.

The previous prime is 30200021. The next prime is 30200033. The reversal of 30200023 is 32000203.

It is not a de Polignac number, because 30200023 - 2¹ = 30200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30199982 and 30200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308115 + ... + 308212.

It is an arithmetic number, because the mean of its divisors is an integer number (5855116).

Almost surely, 2^30200023 is an apocalyptic number.

30200023 is a deficient number, since it is larger than the sum of its proper divisors (4930673).

30200023 is an equidigital number, since it uses as much as digits as its factorization.

30200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616341 (or 616334 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 30200023 is about 5495.4547582525. The cubic root of 30200023 is about 311.4122969860.

Adding to 30200023 its reverse (32000203), we get a palindrome (62200226).

The spelling of 30200023 in words is "thirty million, two hundred thousand, twenty-three".