Search a number
BaseRepresentation
bin111100111111010…
…100010011100001
32122022101112022220
4330333110103201
54043421344301
6245311221253
734233215226
oct7477242341
92568345286
101023231201
11485650823
12246817829
13133cb2265
1499c7794d
155ec6e936
hex3cfd44e1

1023231201 has 8 divisors (see below), whose sum is σ = 1365534144. Its totient is φ = 681541200.

The previous prime is 1023231193. The next prime is 1023231203. The reversal of 1023231201 is 1021323201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023231201 - 23 = 1023231193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023231203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149325 + ... + 156026.

It is an arithmetic number, because the mean of its divisors is an integer number (170691768).

Almost surely, 21023231201 is an apocalyptic number.

It is an amenable number.

1023231201 is a deficient number, since it is larger than the sum of its proper divisors (342302943).

1023231201 is a wasteful number, since it uses less digits than its factorization.

1023231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306471.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1023231201 is about 31987.9852600941. The cubic root of 1023231201 is about 1007.6845303969.

Adding to 1023231201 its reverse (1021323201), we get a palindrome (2044554402).

The spelling of 1023231201 in words is "one billion, twenty-three million, two hundred thirty-one thousand, two hundred one".