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23013444043 = 191211233897
BaseRepresentation
bin10101011011101101…
…010100100111001011
32012101211212002100101
4111123231110213023
5334112420202133
614323333550231
71443203022022
oct253355244713
965354762311
1023013444043
11983a542147
1245631a5377
132229ab8515
1411845cb8b9
158ea5b837d
hex55bb549cb

23013444043 has 4 divisors (see below), whose sum is σ = 24224677960. Its totient is φ = 21802210128.

The previous prime is 23013444019. The next prime is 23013444049. The reversal of 23013444043 is 34044431032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23013444043 - 25 = 23013444011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23013444049) 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, 605616930 + ... + 605616967.

It is an arithmetic number, because the mean of its divisors is an integer number (6056169490).

Almost surely, 223013444043 is an apocalyptic number.

23013444043 is a deficient number, since it is larger than the sum of its proper divisors (1211233917).

23013444043 is a wasteful number, since it uses less digits than its factorization.

23013444043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211233916.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23013444043 its reverse (34044431032), we get a palindrome (57057875075).

The spelling of 23013444043 in words is "twenty-three billion, thirteen million, four hundred forty-four thousand, forty-three".

Divisors: 1 19 1211233897 23013444043