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2023432121 = 9112221111
BaseRepresentation
bin111100010011011…
…0001111110111001
312020000110000001102
41320212301332321
513120444311441
6532441101145
7101066614004
oct17046617671
95200400042
102023432121
119491a1557
124857877b5
1326328ca19
14152a3853b
15bc99069b
hex789b1fb9

2023432121 has 4 divisors (see below), whose sum is σ = 2025654144. Its totient is φ = 2021210100.

The previous prime is 2023432097. The next prime is 2023432129. The reversal of 2023432121 is 1212343202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023432121 - 26 = 2023432057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023432093 and 2023432102.

It is not an unprimeable number, because it can be changed into a prime (2023432129) 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 3 ways as a sum of consecutive naturals, for example, 1109645 + ... + 1111466.

It is an arithmetic number, because the mean of its divisors is an integer number (506413536).

Almost surely, 22023432121 is an apocalyptic number.

It is an amenable number.

2023432121 is a deficient number, since it is larger than the sum of its proper divisors (2222023).

2023432121 is an equidigital number, since it uses as much as digits as its factorization.

2023432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222022.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2023432121 is about 44982.5757488386. The cubic root of 2023432121 is about 1264.8223950378.

Adding to 2023432121 its reverse (1212343202), we get a palindrome (3235775323).

The spelling of 2023432121 in words is "two billion, twenty-three million, four hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 911 2221111 2023432121