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1223113343 = 23253121011
BaseRepresentation
bin100100011100111…
…0011101001111111
310011020111121002012
41020321303221333
510001104111333
6321211321435
742211202054
oct11071635177
93136447065
101223113343
11578463181
122a175027b
13166527a0a
14b862902b
15725a3e48
hex48e73a7f

1223113343 has 8 divisors (see below), whose sum is σ = 1276857216. Its totient is φ = 1169416600.

The previous prime is 1223113337. The next prime is 1223113349. The reversal of 1223113343 is 3433113221.

It is an interprime number because it is at equal distance from previous prime (1223113337) and next prime (1223113349).

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

It is not a de Polignac number, because 1223113343 - 24 = 1223113327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223113349) 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 7 ways as a sum of consecutive naturals, for example, 47708 + ... + 68718.

It is an arithmetic number, because the mean of its divisors is an integer number (159607152).

Almost surely, 21223113343 is an apocalyptic number.

1223113343 is a deficient number, since it is larger than the sum of its proper divisors (53743873).

1223113343 is a wasteful number, since it uses less digits than its factorization.

1223113343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23565.

The product of its digits is 1296, while the sum is 23.

The square root of 1223113343 is about 34973.0373716668. The cubic root of 1223113343 is about 1069.4378923720.

Adding to 1223113343 its reverse (3433113221), we get a palindrome (4656226564).

The spelling of 1223113343 in words is "one billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred forty-three".

Divisors: 1 23 2531 21011 58213 483253 53178841 1223113343