Search a number
-
+
20232031323 = 373299292037
BaseRepresentation
bin10010110101111011…
…000100110001011011
31221020000010200101110
4102311323010301123
5312413400000243
613143334351403
71314240300030
oct226573046133
957200120343
1020232031323
1186424aa649
123b077bb563
131ba579868a
14d9d045387
157d6300e33
hex4b5ec4c5b

20232031323 has 16 divisors (see below), whose sum is σ = 30839212800. Its totient is φ = 11557616736.

The previous prime is 20232031321. The next prime is 20232031327. The reversal of 20232031323 is 32313023202.

It is not a de Polignac number, because 20232031323 - 21 = 20232031321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20232031323.

It is not an unprimeable number, because it can be changed into a prime (20232031321) 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 15 ways as a sum of consecutive naturals, for example, 76740 + ... + 215297.

It is an arithmetic number, because the mean of its divisors is an integer number (1927450800).

Almost surely, 220232031323 is an apocalyptic number.

20232031323 is a deficient number, since it is larger than the sum of its proper divisors (10607181477).

20232031323 is a wasteful number, since it uses less digits than its factorization.

20232031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295346.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20232031323 its reverse (32313023202), we get a palindrome (52545054525).

The spelling of 20232031323 in words is "twenty billion, two hundred thirty-two million, thirty-one thousand, three hundred twenty-three".

Divisors: 1 3 7 21 3299 9897 23093 69279 292037 876111 2044259 6132777 963430063 2890290189 6744010441 20232031323