Search a number
-
+
23244310421 = 191223384759
BaseRepresentation
bin10101101001011110…
…000000011110010101
32012222221021022110222
4111221132000132111
5340101020413141
614402302124125
71452005243603
oct255136003625
965887238428
1023244310421
119948897502
124608580645
13226588bc47
1411a7126873
159109bd14b
hex569780795

23244310421 has 4 divisors (see below), whose sum is σ = 24467695200. Its totient is φ = 22020925644.

The previous prime is 23244310381. The next prime is 23244310471. The reversal of 23244310421 is 12401344232.

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 23244310421 - 226 = 23177201557 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 (23244310471) 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 3 ways as a sum of consecutive naturals, for example, 611692361 + ... + 611692398.

It is an arithmetic number, because the mean of its divisors is an integer number (6116923800).

Almost surely, 223244310421 is an apocalyptic number.

It is an amenable number.

23244310421 is a deficient number, since it is larger than the sum of its proper divisors (1223384779).

23244310421 is a wasteful number, since it uses less digits than its factorization.

23244310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223384778.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23244310421 its reverse (12401344232), we get a palindrome (35645654653).

The spelling of 23244310421 in words is "twenty-three billion, two hundred forty-four million, three hundred ten thousand, four hundred twenty-one".

Divisors: 1 19 1223384759 23244310421