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2023231307 = 10311962397
BaseRepresentation
bin111100010011000…
…0000111101001011
312020000001210120212
41320212000331023
513120421400212
6532432511335
7101065116356
oct17046007513
95200053525
102023231307
11949074699
124856ab54b
1326321c4b6
141529c529d
15bc950e22
hex78980f4b

2023231307 has 4 divisors (see below), whose sum is σ = 2025194736. Its totient is φ = 2021267880.

The previous prime is 2023231291. The next prime is 2023231339. The reversal of 2023231307 is 7031323202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7031323202 = 23515661601.

It is a cyclic number.

It is not a de Polignac number, because 2023231307 - 24 = 2023231291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023231907) 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, 980168 + ... + 982229.

It is an arithmetic number, because the mean of its divisors is an integer number (506298684).

Almost surely, 22023231307 is an apocalyptic number.

2023231307 is a deficient number, since it is larger than the sum of its proper divisors (1963429).

2023231307 is a wasteful number, since it uses less digits than its factorization.

2023231307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963428.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 2023231307 is about 44980.3435624941. The cubic root of 2023231307 is about 1264.7805515375.

Adding to 2023231307 its reverse (7031323202), we get a palindrome (9054554509).

The spelling of 2023231307 in words is "two billion, twenty-three million, two hundred thirty-one thousand, three hundred seven".

Divisors: 1 1031 1962397 2023231307