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2023030213 = 4049499637
BaseRepresentation
bin111100010010100…
…1111110111000101
312012222200120201221
41320211033313011
513120343431323
6532424320341
7101063321161
oct17045176705
95188616657
102023030213
11948a475a6
124856130b1
1326317bac9
14152971ca1
15bc91155d
hex7894fdc5

2023030213 has 4 divisors (see below), whose sum is σ = 2023533900. Its totient is φ = 2022526528.

The previous prime is 2023030211. The next prime is 2023030223. The reversal of 2023030213 is 3120303202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 269682084 + 1753348129 = 16422^2 + 41873^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023030213 - 21 = 2023030211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023030211) 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, 245770 + ... + 253867.

It is an arithmetic number, because the mean of its divisors is an integer number (505883475).

Almost surely, 22023030213 is an apocalyptic number.

It is an amenable number.

2023030213 is a deficient number, since it is larger than the sum of its proper divisors (503687).

2023030213 is an equidigital number, since it uses as much as digits as its factorization.

2023030213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503686.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2023030213 is about 44978.1081527447. The cubic root of 2023030213 is about 1264.7386469192.

Adding to 2023030213 its reverse (3120303202), we get a palindrome (5143333415).

The spelling of 2023030213 in words is "two billion, twenty-three million, thirty thousand, two hundred thirteen".

Divisors: 1 4049 499637 2023030213